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Hairs Left at Crime Scene Lead to Suspect's Arrest 36 Years Later
Forensic Magazine ^ | February 06, 2023

Posted on 02/06/2023 1:29:53 PM PST by nickcarraway

On Jan. 26, 2023, detectives assigned to the Pinellas County Sheriff’s Office (PCSO) Robbery/Homicide – Cold Case Unit arrested 55-year-old Michael Lapniewski, Jr., for a murder that occurred in 1987. Detectives conducted an extensive investigation over a period of several years. A suspect was developed after advancements in DNA testing.

According to detectives, on Feb. 9, 1987, deputies responded to a residence in unincorporated St. Petersburg for a deceased person. The victim, 82-year-old Opal Weil was located deceased by her sister-in-law after not answering her telephone. Weil had obvious and visible signs of trauma. Deputies discovered the suspect fled the scene prior to their arrival.

Throughout the course of the initial investigation, detectives discovered the suspect gained entry to the residence after removing a single windowpane entering the Florida room of the residence. Detectives also discovered the phone line to the residence had been cut. Forensic technicians collected evidence left at the scene including several hairs.

Throughout the course of the investigation, a partial DNA profile was developed from the hairs located at the scene, but no matches were identified until recently.

In December 2020, PCSO cold case detectives were assigned to the case. Detectives sent a request to the Florida Department of Law Enforcement (FDLE) for additional testing of the hairs located at the scene. Detectives also contacted Parabon Nanolabs to conduct further genealogical testing.

After extensive testing was done by Parabon Nanolabs, family trees were constructed, and familial relatives were identified. Of the relatives identified, Parabon was able to narrow down the suspects to three possible males. After extensive investigation, detectives excluded two of the males, leaving Lapniewski as the primary suspect, who at that time resided a half mile from where the murder occurred.

Detectives learned Lapniewski was currently residing in Waveland, Mississippi. Pinellas County detectives traveled to Mississippi to conduct further investigations. Through various investigative techniques, detectives obtained Lapniewski’s DNA, which was submitted to the FDLE for analysis. Detectives learned the DNA profile obtained by detectives from Lapniewski matched the profile developed from the evidence at the scene.

Lapniewski was arrested in Mississippi and extradited to Pinellas County, where he is being charged with First-Degree Murder.

The investigation continues.


TOPICS: Crime/Corruption; News/Current Events; US: Florida; US: Mississippi
KEYWORDS: dna; dnadatabase; florida; forensics; genealogy; hairevidence; helixmakemineadouble; michaellapniewskijr; mississippi; murderone; opalweil; parabonnanolabs; pinellascounty; waveland
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To: Beowulf9

I never mentioned the 82 year old crime victim.

Only talking about 55-year-old Michael Lapniewski, Jr.


21 posted on 02/06/2023 3:21:59 PM PST by frank ballenger (You have summoned up a thundercloud. You're gonna hear from me. Anthem by Leonard Cohen)
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To: Beowulf9

I never mentioned the 82 year old crime victim.

Only talking about 55-year-old Michael Lapniewski, Jr.


22 posted on 02/06/2023 3:22:01 PM PST by frank ballenger (You have summoned up a thundercloud. You're gonna hear from me. Anthem by Leonard Cohen)
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To: frank ballenger

Yeah but he never said that.


23 posted on 02/06/2023 3:28:45 PM PST by Beowulf9
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To: Beowulf9

Now I get it. One of my satires was assumed to be an honest quote. Sorry.


24 posted on 02/06/2023 3:34:09 PM PST by frank ballenger (You have summoned up a thundercloud. You're gonna hear from me. Anthem by Leonard Cohen)
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To: frank ballenger

Oh. Ok.


25 posted on 02/06/2023 3:34:54 PM PST by Beowulf9
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To: Chewbarkah
I would argue it is not compelling because it is ambiguous. It does not address possibilities like a criminal framing someone else, and there have been cases of dishonest crime labs making fraudulent reports. No doubt forensic evidence has been critically helpful in focusing a spotlight on a particular suspect who proved to be the criminal. But to say that because someone's DNA is at a crime scene establishes them as the criminal is a serious error.

It's noteworthy that when I've read about mistaken cases of conviction over the years, in every case the 2-witness standard was not met in the original conviction "beyond a reasonable doubt." Instead there was a dishonest or mistaken witness (often covering for the real criminal), along with a just-so story spun by an aggressive prosecuting attorney. You don't need to be a Christian to recognize the common sense behind the 2-witness standard. Let's hope those who scoff at it never find themselves framed either by real criminals or overzealous attorneys looking to "solve" a crime.

26 posted on 02/06/2023 4:01:12 PM PST by EnderWiggin1970
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To: EnderWiggin1970
More direct evidence or a confession is still needed.

And that's why the last line of the article was, "The investigation continues."

27 posted on 02/07/2023 11:42:57 AM PST by Albion Wilde ("There is no good government at all & none possible."--Mark Twain)
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To: Chewbarkah
Hairs found on the victim’s person, or on the murder weapon would be compelling evidence.

Unless, of course, the then-19-year-old was having consensual sex with the 82-year-old victim, which, if asked, he will claim.

28 posted on 02/07/2023 11:45:00 AM PST by Albion Wilde ("There is no good government at all & none possible."--Mark Twain)
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To: frank ballenger

I got the joke. He does look like an aging surfer dude.


29 posted on 02/07/2023 11:49:34 AM PST by Albion Wilde ("There is no good government at all & none possible."--Mark Twain)
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