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Murder on a weekend getaway

Posted: Tuesday, January 02, 2007 2:01 PM by Dateline Editor
Filed Under: ,

by Chris Hansen, Dateline Correspondent

LOWER HERRING LAKE, MICHIGAN-- I’d been to this scenic part of northern Michigan many times over the years. Not as a reporter, but for vacations when my dad and I would catch salmon and trout from Lake Michigan. As a young man, I sailed with friends every summer on the same lake. For the last 10 years or so I’ve returned with my family from the east coast every other summer so that my kids can spend time with their cousins on the beautiful beaches here. The small water front towns that make up Benzie County stay busy in the summer but are not overrun with tourists. Saloons serve fried perch and planked whitefish, two local specialties. I very much like recharging my batteries here. It’s about the last place you’d expect to be following leads in a story about addiction, betrayal and ultimately it was alleged, murder.

And just like the small resort area seemed an unlikely crime scene, the accused killer and the victim seemed unlikely to ever be center stage in such a drama.  Mark and Florence Unger had crossed paths in college, years later dated and ultimately got married and had two sons. It seemed for a time they had it all, living in the very hip Detroit suburb of Huntington Woods. Mark was a sports reporter for a radio station before going into the mortgage business. Florence worked in retail, became a stay-at-home mom and ultimately went into the mortgage business as well.

Along the way though there were problems. Mark admits he got hooked on painkillers after a back injury. He battled alcohol and gambling habits as well. Mark eventually went into rehab, but it was all too much for Florence who finally filed for divorce. While there seemed to be no chance for reconciliation, Mark, Florence and their two young sons decided to take a fall weekend trip to their favorite spot in northern Michigan, a resort they’d visited for years called Watervale on the shores of Lower Herring Lake. The couple seemed to be getting along or at least tolerating each other as the family had dinner at one of their favorite restaurants.

Later that night they returned to their cottage. Mark says the boys started watching a DVD. Florence and Mark ended up on a boathouse deck overlooking the lake. What happened next is still in dispute, but ultimately it lead to Florence being face down in the lake and Mark charged with her murder.

Florence Unger was found in these waters.

A top prosecutor would face off against one of Michigan’s most respected criminal defense lawyers. Two families, once joined by a marriage were now deeply divided and two young boys were caught in the middle.

Tonight you’ll hear from virtually everyone involved in the case, from Mark Unger himself and from those who speak for Florence. As you’ll see, this was by no means an open and shut case. Consider this: when I was watching some of the closing arguments in the Benzie County court house, I ran into some reporters I’d known for years, who were also covering the case. Some of these folks I’d known for 20 years from back when I was a reporter in Detroit. I asked a couple of them who’d been in court everyday and had covered the case from the get-go to predict the out come. They were wrong.

Dateline Correspondent Chris Hansen reports on "The Lady In The Lake."  "Til Death Do Us Part" -- first aired January 2, and re-airs April 22, Sunday, 7 p.m.

Editor's note: We invite you to check out the crime files on this case -- Web-extra video and pictures, and to weigh in on our poll. After the broadcast, you can also read the transcript and watch video of the report. 

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Comments

i missed the show.  can i watch it on video?
I found it kind of odd that he did not pull his wife from the water.  As I watched the episode the blonde woman said that the doctor's testimony did it for her.  In my opinion his testimony cast the most doubt simply because his testimony changed. It seemed he would say whatever that made the prosecutions case.  I think he was innocent. Because she was cheating that was no reason for her to die, but I dont think he did it.  The woman who said that bodies do not bounce well that's maybe she is a waitress.  To anyone else who does not believe the theory that bodies dont bounce I call your attention to faces of death vol. 1..  I think the spouse is always the easiest one to pin it on.  Lets not forget the vows under God she took she broke by sleeping with her husbands best friend.  I dont think he did and I only have sympathy for the kids because they lost the most.  The wife and husband we will let the creator be the judge.  
Even if Mark did run to the exact spot his wife was found, the fact he did nothing to remove her from the water seems to hard to believe. After watching and hearing the whole case and facts, he is where he needs to, unfortunantly his young sons pay the ultimate price in loosing their parents.
It scares me that 12 jurors can take circumstantial evidence and completely usurp the presumption of "INNOCENT until PROVEN GUILTY" and send a man to prison for the rest of his life for a "CRIME" or "ACCIDENT" that he didn't commit.  I didn't hear all the evidence but I believe that the PROSECUTORS DID NOT prove beyond "A REASONABLE DOUBT" that this man murdered his wife.
SOMEBODY needs to tell jurors that you are INNOCENT until there is "PROOF" of your guilt! Leave your theories and emotions at home......
with all technology avaailble today and no positive evidence to present  I find it hard to believe that not 1 of 12 peolple didn't find some "reasonable" doubt in the prosecution's case.  I sure couldn't send someone to prison for life on circumstantial evidence
I missed the first part of the show but followed the story through local newspapers and television.  Did the show mention anything about Mark knowing that his wife was romantically involved with a previous friend of his.  Sounds like a motive to me.
I'm always riveted by these hour-long Dateline murder stories but why does Ann Curry feel the necessity to speak in such an affected tone? She drops her voice about an octave and rounds her vowels in a way that's very affected. The story is serious enough by itself; she should just speak in a clear voice with normal modulations.
I am glad that he was found guilty. I know someone in real life who has killed his wife about 30 years ago and make it appear like  asuicide. This happened in detroit and now he lives in chicago area and trying to kill his 2nd wife. He is married for the 3rd time. He is a doctor so everyone lets him go. I wish more people will be like this jury
Had I been on that jury I would have questioned why if he did indeed push her, would he not throw her in the lake right away? Why let her lay and return to throw her in the lake 1 1/2 hours later? Why would he risk someone finding her before she died? Why not do the entire job immediately? Since when can you be found guilty with no evidence?
Guilty, it was the pool of blood that did it for me. If in fact she fell, which she did, did she decide to go for a swim? No, she was pushed in the water.
Too much circumstantial evidence. You cannot convict a human being to life in Jail because "it had to be him". You need some hard evidence to prove beyond reasonable doubt. That was not doe inthis case. The prosecutor has to impart justice and not to provide closure and solace to the family of the victim. Horible injustice done to this man.
It was so obvious that her husband killed her.  Like o.J., he has guilty written all over his face.  
Why wouldnt the mother go put her kids to bed???
miss used noun - The use of the word cement to describe the structure the victim fell upon is incorrect. Portland cement is an ingredient used along with sand, gravel, and water to make concrete. Therefore, it was a concrete structure not a cement structure.
Just too much reasonable doubt.  This jury has taken a mans freedom without enough evidence to support a guilty
conviction.
"Did you kill your wife?"  Unger: [long pause] "I would never hurt my wife."  "But did you kill your wife?"  Unger: [another pause] "I would never hurt my wife..."  Ummm, if I was an innocent man sitting in jail, my answer to that question, the FIRST TIME, would have been, "HELL NO I DIDN'T!"  He's guilty as sin.  Her body wouldn't have gone rolling into the water - it would have plopped right straight down on the concrete and stayed there, ESPECIALLY if she fell like the defense said.
I have to agree with Jules. He may not be innocent, but there was definitely reasonable doubt. Who knows, though. We didn't see or hear every piece of evidence so maybe the jury has a stronger case than it appeared. I'd like to think so anyway.
I don't believe that absurd reenactment video. Could a person fall hard enough to crack their cranium and then roll a couple times?  He did it. Another case of a man killing a woman because he could not control her.
GUILTY AS CHARGED.  May GOD have mercy on the children,
I watch your show tonight but also read about this murder sometime ago and I do think that Mark is guilty of murder.  I do think they went to the lake so that Mark would murder his wife.
There is Justice. Those sons will be raised lovingly by Flo's parents. You can tell by watching Mark's reaction's he is guilty. After watching it on tv one must also wonder why he picked her up and put her back in the water rather out of the water. Maybe she did tell him about the affair that night and he lost control. God Bless Flo's sons and Flo's parents , hold onto your faith.
Did Flo have any medical conditions that could have caused her to become dizzy and fall over the rail?  What are the ages of the boys?  Did they collaborate their father's story of being with them and tucking them into bed?  There was no mention of this by either the defense or the prosecution.  If she was truly afraid of the dark she would have gone in when her boys did - obviously she didn't want to be with her soon to be ex-husband.  There is way to much reasonable doubt to have convicted him.  I would have hung the jury and started over.  The true losers in all of this are those two boys who no longer have either parents.  Also they will have to deal with the fighting of both sets of their grandparents.  I hope for the boys sake they will put aside their differences and unite in the raising of these boys.
The evidence was very circumstantial but the interview that Chris had with him says it all.  I am a sheriff's deputy and trained in interview and interrogation.  Chris asked him several times if he killed his wife and he just sayed that he could not do that. He would not say that he did not. Several other clues with his eyes and statements gave him away.  He is guilty I think.
The lawyer said he must be a Hannibal Lecter to kill his wife and then kiss his kids goodnight.  I guess he hasn't heard about Steve Trattner and Sin Lam of Mequon, WI. That tops all. The internet has all the details on her murder.  
I'm not convinced that he is guilty. I hope that he is able to get his appeal, and have better investigative work.  I'm seriously disappointed in the tone of the dispatcher, and responding officer. Botched investigation is very likely.
Welcome to the US Justice system, where you can convict a person with 0 evidence.  All you need is a story and a dead body.  

It amazes me how people can throw someones life away on basically a "gut" feeling.  I don't care what you think, what you feel, you have to PROVE it.  Right or wrong, that's the way it is.

Here you have a guy, with no history of violence.  A woman with a history of suicide thoughts or attempts and a railing that is rotting and gave way.  The only logical outcome was that she was murdered.  There was reasonable doubt, there is no way he should have been convicted.

IMO there needs to be an IQ test, before a person is allowed to be a juror.

Oh and about the lady that says, "there is no way a human body can bounce".  Try telling that to a skydiver who's shoot doesnt open.  I'm sure BASIC PHYSICS would disagree with that tard.
I think it is a horrible injustice to convict someone  of such a serious crime with no real evidence.  The prosecution should have waited, there is no statute of limitations for murder.  After 3 days I have to believe some jury members were pressured by others, or the verdict would have come immediately.
I'm amazed a man having so much in his favor would stoop to such a low level. He had it all and then lost it over a painkilling drug, gambling problems and lethargic behavior. When he looked into his children's eyes and thought about their future...wasn't it enough to send a warning sign he needed to get help? What efforts were made to combat the problems before they were out of control? How terribly sad yet, how irresponsible of Mark to push his wife's and children's needs aside for his addictions.
I THINK THERE WAS TOO MUCH REASONABLE DOUBT TO CONVICT HIM FOR MURDER.
When Chris Hansen asked Mark if he murdered his wife, his response was "I would never hurt Flo", rather than No, I did not murder my wife.  Chris asked Mark twice in a similar fashion if he murdered his wife and both times he responded I would never.  I found his choice of words odd in that both times he did not answer the question directly with a "No".  He could have said No, I would never..., but he did not.  Given everything, I believe him to be guilty.  Jane Doe, Farmington Hills, MI
What was the final sentence?
Why didn't Mark pull her body out of the water?  When he ran to her, he had no way of knowing if she had been face down in the water for 5 minutes or ten hours.  I think the natural reaction would be to pull her out of the water and try mouth-to-mouth, CPR, check for a pulse, etc.  I would be doing all of that if I found my husband in the water face down. I get chills thinking how he left her and then started packing the car to go home.  Guilty, guilty, guilty.
The mother of his children how could he have left her in the water ? I believe he did it and he showed no remorse.The  best conviction is yet to come when his children turn their backs on the MURDER that shatterd theirs lives forever.  God be with those children as they will need you sholders many times Im afraid so you will need to carry them in these times.    
Something smells fishy.
If she was having sex with his best friend and getting a divorce why would she go away to a weekend at the lake with him? Also, why would they leave the kids alone in the cottage to go out in the dark, down to the lake together?  Doesn't make much sense.
Guilty as charged.  May GOD have mercy on the children.
Very interesting! Did the DNA one the cement match hers?  I have reasonable dougt.
Something smells fishy.
If she was having sex with his best friend and getting a divorce why would she go away to a weekend at the lake with him? Also, why would they leave the kids alone in the cottage to go out in the dark, down to the lake together?  Doesn't make much sense.
Does anyone remember if the blonde juror wearing a red sweater is a nurse?  
Very interesting story and very sad. The tragedy of the loss of a mother is gut wrenching. I had mixed feelings on the verdict. I don't know if I was on the jury if I would have convicted him beyond resonable doubt. I do hope that he was guilty, it would be tragic to have an innocent man in jail.God bless those children.
He did it! It looks like he "convinced" her to stay married because he “loved” her, and they went to the trip to “work things out”...found out about the affair and killed her. . Unconscious bodies do not roll. . He never tried to save her (out of the water) and tried to leave town. . No doubt, he did it!
What's very interesting following this BLOG is that the majority of females are saying Justice has been served and the men say "insufficient evidence" :)
The show was interesting and there are parts that you think - why the heck would she have gone to the lake with him in the first place after filing for divorce?? Unger said that they both felt uncomfortable going, yea right- I bet he promised her something or tricked her into going, making her feel guilty about having one last trip with the kids...I feel sorry for the 2 boys - they will never know what kind of people their mother or their father was, just the horrible idea that one day someone changed their whole world.
We will never know what happened on that deck, what was said, what was done.........people filing for divorce DON'T take trips together.
I am curious if there was a drug test done on the victim and if a psychic was ever brought in or requested...
I believe that he may have done it, BUT there was not enough evidence against him.  How on earth this jury found him guilty is a puzzle to me.  
John Wasco from Toledo, Ohio...You should be ashamed of yourself!!!!!None deserves to die like that. What an awful thing to say. It sounds to me like you are intimited by women!!!
Great story, but it amazes us that crime can happen anytime, anywhere.  Crime knows no boundaries.  It is unfortunate though, as this area (we have a rental cottage ourselves on nearby Crystal Lake in Benzie County) has virtually no crime rate.  Like Chris Hansen suggests, it truly is a beautiful place to vacation...
As a trial lawyer and former police detective, I must say that i found Mark to be entirely credible both in his verbal and non-verbal communication. He maintained eye contact throughout the interview. He did not over-sell his story. To me it was entirely plausible that his wife fell of the roof of the boat house. Experts can and do offer testimony that advance their own causes. I hope Mark gets a new trial.
I HOPE ALL THE JURORS IN THIS CASE READ THIS. ALL OF YOU WILL HAVE TO LIVE WITH THE DECISION THAT YOU HAVE MADE.  YOU SENT AN INNOCENT MAN ACCORDING TO EVIDENCE TO PRISON.  TAKING A FATTHER FROM TWO CHILDREN. PLACING THEM IN THE HANDS OF PEOPLE WHO BELIEVE HE DID IT.  LOOKING AT YOU I THINK YOUR ALL CRAZY AND I HOPE THAT ALL OF YOU SLEEP LIKE HELL FOR THE REST OF YOUR LIVES.
i think mark knew about flo and her lover, i do not beleive any thing he says, he wasn't working and he knew he was on his way out, he did it.
This is a disturbing case.  Someone tried for murder on circumstantial evidence.  A woman is dead and they want to find the killer.  It bothers me that circumstantial evidence can convict someone.  But, if I was innocent I would have taken the stand and begged everyone to question me.  If I was divorcing my husband and had huge fights all week with him I would not have gone to a secluded place with him for the weekend.  If I was on a rotten deck and accidentally fell over I would have screamed and someone would have heard me as the other cabins were not that far away.  Then again if I was pushed I would have screamed too.    


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