David Heydenburg took dog to animal shelter before killing 3-year-old daughter Allyson (16)

david heydenburg and daughter.jpg
David & Ally.
Update: Longmont police have now confirmed the identities of the father and daughter who died in an apparent murder-suicide as David Heydenburg and Allyson Heydenburg, age three. And they've also revealed a new bit of information that somehow makes this unimaginably horrific incident even worse: Before David killed his child, he made sure his dog was safe by dropping it off at the local Humane Society.

That's the latest from the Longmont Times-Call. The paper reports that Heydenburg left the dog at the Longmont Humane Society on Friday night, then returned home and killed Allyson and then himself while his estranged wife and their teenage son were on a camping trip. They returned to Longmont on Sunday and discovered the bodies, along with a suicide note.

What did it say? Longmont PD spokesman Jeff Satur described the eight-page, handwritten note "spiteful," suggesting the document attempted to blame someone else for driving him to the act. There's also mention of "weird" posts on his Facebook page, which are protected by the service's privacy function from the public at large.

However, the portion of the page that can be seen by all features a photo of him with Ally during an infinitely happier time. See a larger version of it below, along with our earlier coverage.

Update, 8:36 a.m. August 9: Authorities have still not positively identified the Longmont man and his three-year-old daughter who were found dead on Sunday in an apparent murder-suicide.

But a records search of the property points to David Heydenburg, whose Facebook page features a photo of him with an adorable little girl.

The Longmont Times-Call first reported that the 1260 Red Mountain Drive home where the bodies were found is registered to Heydenburg, whose brother declined to comment to the paper.

As for the Facebook page, it contains precious little public information beyond noting that Heydenburg is originally from Buffalo Grove, Illinois -- which accounts for the citation about his love for Chicago sports teams. Other nods include The Hill in Boulder and Longmont Magazine.

Here's an uncropped version of the Facebook photo, followed by our earlier coverage.

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1200 red mountain drive.jpg
Graphic below.
Original item, 2:29 p.m. August 8: And the bloodshed continues in the Denver-Boulder area.

This weekend, following the deaths of ten-month-old Adam Gonzales, David Hubbard and Byron Parker came the grisly discover of a father and his three-year-old daughter dead in a Longmont home. And authorities there describe the circumstances as a murder-suicide.

In initial reports, the Longmont Police Department revealed only that a father and his daughter had been found dead and officers didn't regard the community to be in any danger from the perpetrator -- the sort of information that leads to conclusions borne out by subsequent statements made by Commander Jeff Satur to the Longmont Times-Call.

According to Satur, the 38-year-old man's estranged wife stopped by a house at 1260 Red Mountain Drive with their teenage son and discovered the bodies just shy of 5 p.m. yesterday. The man had apparently attempted to take his life in the past, and Satur confirms that cops found what could be construed as a suicide note.

Look below to see an interactive graphic of the area near the scene. If you have problems seeing the image, click "View Larger Map."


View Larger Map

More from our Mile High Murder archive: "Ronald Muniz arrested in fatal stabbing of Annette Taylor at 1955 Arapahoe (7)."



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16 comments
Nick Werle
Nick Werle

the mother left that young child  with a person who tried to kill himself WAY TO GO!

mom of 3
mom of 3

that poor baby girl. Why do people who want to kill themselfs kill the kids too? That takes a realy big chicken shit to do that.

Verve10007
Verve10007

Over and over and over and over again we see this happening- especially fathers taking their own lives and then in many instances their children along with them.

Then the public just shrugs it's shoulders stupidly and just thinks "oh, men are just bad people." And go about their business until it happens yet AGAIN. Notice the man was 'estranged' from his wife.. DETAILS PLEASE. I'm no Columbo here, but I'm going to take a wild guess here and say the wife had been cheating on him. Why? Because that has been happening to every married guy I know- and every other female I date I find out later she's MARRIED.

Is that an excuse to murder his own daughter and then kill himself? No. But it's the REASON. Women are not held accountable for anything EVER by anyone- the recent Casey Anthony case finally demonstrated this for all the world to see. 

Kuei
Kuei

How nice! A map on how to get there.

Rick and Alice
Rick and Alice

Wasteless piece of human excrement.  Bring him back to live so his wife can kill him again.  He took something precious from her that she will never get back.

My prayers are with the family

Verve10007
Verve10007

Because they are married to American women. 

Par662003
Par662003

I AGREE 100% with this comment.   The court system is giving women too much.  It's a god damned joke.  Yes, he had other ways of getting his depression solved.  It's sad to see an innocent life taken.   BUT.... do not think twice about this statement...   This planet is not a heavenly dwelling.   In actuality, we are living the ways of SATAN, and have been for thousands of years.  Everyone on this planet thrives on greed, lust, lies,sex, adultry, racism, greed, power, wealth, ego, and pain.   It's human nature....pure evil.

EK
EK

"Is that an excuse to murder his own daughter and then kill himself? No. But it's the REASON."No, that's not the reason.  The reason is that he's a murderous freak.  There is no reason for any sane person to value his child's life (and his own life) so little, even less than a dog.  It's funny how essentially you are making excuses for him, then ranting about accountability.

" I'm no Columbo here,"No, really?

"Because that has been happening to every married guy I know- and every other female I date I find out later she's MARRIED."You attract a certain kind of person.  Behold my astonishment.

"Women are not held accountable for anything EVER by anyone"That would explain the steadily increasing percentage of women in U.S. jails.  Oh wait...

Rick and Alice
Rick and Alice

Come on Troll.  You are the same prick that tries to distract from the real problem and bring up race as the issue.  Shut the hell up you puppet. Everything you say is garbage. 

EDUCATE YOURSELF AND LEARN THE TRUTH.  WE ARE A POLICE COUNTRY NOW!!!  RACE MEANS NOTHING WHEN IT COMES TO THE REVOLUTION. 

Never let the left hand know what the right hand is doing.....and you play right into the game.  FREAK

Guardian9879
Guardian9879

How ignorant are you all to blog on article about this incident. The fact of the matter is two innocent lives have been lost. Furthermore, you guys all fail to see that this man's actions were the result of a deeply rooted psychological disturbance, most likely inherited then induced through stress, diathesis-stress, which transformed his thoughts. The depression and its effect on individuals vary, and in this case was too much for him to handle. There were also anger issues as he also took his daughter's life out of vengence. He figured he would rather have his daughter with him than her as she was most likely trying to take sole custody of the child. It's embarassing that humans can trash two passed away individuals. Ignorant

Verve10007
Verve10007

LOL-You are one retarded hillbilly. 

People kill other people because they lose their minds and are pushed over the edge every day and it's usually by some psychotic evil bitch from hell (i.e. average american female)

Can't deal with it? Go live on another planet, Pussy. I'm addressing the problem, while you are nothing more than the same old part of the problem with your reactive simpleton views of the world.

Casey Anthony, retard. That's just No.1 on a list of a million you clueless freak. 95% of the women in prison's are black & latina - what does THAT tell you Columbo?

Verve10007
Verve10007

STFU you babbling ooga booga knuckle dragger.

Nick Werle
Nick Werle

innocent?  what kind of DRUGGIE are you !

Nick Werle
Nick Werle

he was NOT prushed,  he jumped!   he was blithering IDIOT!

anyone hears the name David Heydenburg  should remember it as VILE!

EK
EK

"People kill other people because they lose their minds and are pushed over the edge every day"

He had enough presence of mind to drop his dog off at a shelter beforehand.  He planned it all out.  He is responsible.  He alone, and no one else.

But for every murderous freak out there, there will always be another freak like yourself willing to shift the accountability and blame away from them.

Call me all the insults you want - it doesn't change the fact that you're a part of the evil out there in world.  Excusing it, rationalizing it...

Ciao, you sad little soul.

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