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DNA identifies 1984 chilly case sufferer in pinstripe swimsuit as Florissant actual property agent

LINCOLN COUNTY — For greater than 38 years, a physique discovered wearing a pinstripe swimsuit and tie found by a farmer in rural Lincoln County remained a thriller.

Police knew the person was middle-aged and had been lifeless for months from a gunshot wound to the again of the pinnacle, however investigators have been by no means capable of identify the sufferer, not to mention the killer, till a break within the case final month.

A DNA match lastly recognized the sufferer as Jack Langeneckert, a 50-year-old actual property agent who had been residing together with his spouse and son in Florissant when he went lacking in 1982, the Lincoln County Sheriff’s Workplace introduced in a press convention Wednesday.

The breakthrough is because of forensic genetic family tree, the more and more frequent follow of figuring out DNA by way of comparisons to genetic profiles in family tree databases.

Now that detectives have a reputation, Capt. David Hill stated Wednesday, they’re working to unravel who killed Langeneckert and the way his physique ended up on a Lincoln County farm.

Individuals are additionally studying…

Jack Langeneckert

Jack Langeneckert. Picture courtesy of the Lincoln County Sheriff’s Workplace

“One of many attention-grabbing issues about chilly circumstances which are this previous is it’s important to rebuild,” Hill stated. “Who did they hang around with? Who’re their buddies? The place did they work? What did they do?”

Authorities consider Langeneckert died not lengthy after he went lacking in 1982. His automobile was discovered every week after his disappearance on the St. Louis airport.

His physique discovered months in a while June 11, 1984, inside a pumphouse close to Freeway F exterior Troy, Missouri, in rural Lincoln County. He was carrying an costly Invoice Blass gray swimsuit with purple pinstripes, a Windsor tie and a cashmere peacoat, and he had a gunshot wound to the again of his head.

Judging from photos, Langeneckert “stayed nicely dressed more often than not” for his work in actual property, Hill stated.

Hill stated it was too early within the investigation to elaborate extra on the small print of Langeneckert’s disappearance, together with why he could have been killed.

Langeneckert’s household stated they filed a lacking particular person report when he went lacking, however sheriff’s investigators are nonetheless looking for investigative recordsdata from the 1982 case, Hill stated.

Langeneckert’s stays have been first examined for DNA in 2015, however lab researchers weren’t capable of finding a match within the CODIS database, which comprises DNA profiles obtained by regulation enforcement.

Jack Langeneckert

Jack Langeneckert. Picture courtesy of the Lincoln County Sheriff’s Workplace

The sheriff’s workplace reopened the case after a Southeast Missouri State College anthropology professor, Dr. Jennifer Bengtson, supplied in 2021 to assist the chilly case unit determine human stays.

Bengston’s group has labored on circumstances throughout the state, together with serving to in one other Lincoln County case to determine stays discovered within the Cuirve River State Park close to Hwy KK in 2006. That loss of life was not a felony investigation.

The professor and her superior college students determine which components of skeletal stays are finest for testing and pay by way of grants and donations for DNA labs to do genetic evaluation. Othram, a personal DNA lab specializing in chilly circumstances, carried out the evaluation in Langeneckert’s case.

The variety of human stays nonetheless left unidentified is “a tragedy of the size that most individuals do not understand,” Bengtson stated Wednesday.

“Although my lab is small,” Bengston stated, “I am actually pleased with my college students for serving to convey solutions to those households.”

The case is the newest amongst dozens of nationwide and native chilly circumstances to seek out current breakthroughs from developments in DNA evaluation.

Simply throughout the final 12 months within the St. Louis space, police used a CODIS DNA match to get a confession from serial killer Gary Muehlberg to killing at the very least 4 ladies in 1990. Forensic family tree additionally led to expenses in January towards Maryland Heights man Mike Clardy who’s accused of killing a intercourse employee and abandoning her torso at a truck cease in 2004.

Anybody with info on Langeneckert’s loss of life ought to contact the Lincoln County Sheriff’s Workplace at 636-528-8546 or Detective Alyssa Erson at Nameless ideas may be submitted to the sheriff’s workplace web site at


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