MO MO - Festus, Miss River, WhtMale 30-45, UP7089, nude except socks, no marks, tattoos or injuries, Sep'94

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The National Missing and Unidentified Persons System (NamUs)

182UMMO

182UMMO.jpg
182UMMO1.jpg
182UMMO2.jpg


182UMMO - Unidentified Male​


Date of Discovery: September 20, 1994
Location of Discovery: Mississippi River, Festus, Missouri
Estimated Date of Death: 5 days
State of Remains: Not recognizable - Decomposing/putrefaction
Cause of Death: Unknown

Physical Description​

Estimated Age: 30-45 years old
Race: White
Sex: Male
Height: 5'8"-5'10"
Weight: 180-200 lbs.
Hair Color: Brown
Eye Color: Brown
Distinguishing Marks/Features: Facial hair light and dark gray, not recently shaved. Represents apparent natural color. Hair worn short. Scalp shows moderate baldness. Pupils are round, regular, equal and somewhat dilated.

Identifiers​

Dentals: Available; only one filling detectable.
Fingerprints: Unknown
DNA: Unknown. Skeletal X-Rays available.

Clothing & Personal Items​

Clothing: Light colored crew socks, size 10, on both feet.
Jewelry: Unknown
Additional Personal Items: Unknown

Circumstances of Discovery​

Nude body (except for pair of light colored socks on feet) found floating face down north to south (downstream), in Mississippi River in Festus, by two fisherman, who secured body with treble hook and reeled him to shore. No marks, tattoos or injuries noted on body.

Investigating Agency(s)​

Agency Name: Jefferson County Sheriff's Office Detective Bureau
Agency Contact Person: Detective Lee Morris
Agency Phone Number: (636) 797-5540 or (636) 797-5515
Agency E-Mail: [email protected]
Agency Case Number: 94-52798

Agency Name: Missouri State Highway Patrol
Agency Contact Person: Tracy Lehmen
Agency Phone Number: (573) 526-6134 or (573) 526-6178
Agency E-Mail: [email protected]
Agency Case Number: 94-0280

Agency Name: Office of the Regional Medical Examiner
Agency Contact Person: Kathleen Hargrave, Medicolegal Death Investigator
Agency Phone Number: (636) 949-1878
Agency E-Mail: [email protected]
Agency Case Number: JEFF-1994-0280

NCIC Case Number: U-824016337
NamUs Case Number: UP7089
Former Hot Case Number: N/A

Information Source(s)​

NamUs
Missouri State Highway Patrol

Admin Notes​

Added: Prior to 2011 ; Last Updated: 11/15/2020
 
  • #2
  • #3
His NamUs page has been removed.
 
  • #4
"182UMMO discovered on September 20, 1994 in Festus, Missouri has been identified per NamUs. No further information is available."
 
  • #5
  • #6

[...]
On Tuesday, the sheriff’s office announced the man has been identified Benny Leo Olson, originally from Illinois.
Screenshot 2025-07-23 at 2.11.01 AM.webp

He would've been around 45 at the time of his death. Granite City is a suburb of St Louis, about 40 miles north of Festus. He grew up in Chesterfield, MO, another suburb in the area.

Screenshot 2025-07-23 at 2.15.53 AM.webp
Screenshot 2025-07-23 at 2.18.03 AM.webp


Screenshot 2025-07-23 at 2.20.54 AM.webp

Not bad for an IdentiKit reconstruction (IMO)

 
Last edited:
  • #7
I wonder if he was ever reported missing? Doesn't mention it in the article above.
 
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  • #10
After learning Olson had been dead more than three decades, his half-sister Catherine Heston told the newspaper, “We knew something must have happened, but you never really know.” If alive today, he would be 76.

She said Olson was a “perpetual student,” attending St. Louis Community College-Meramec, Western Illinois University in Macomb and at Southern Illinois University Edwardsville.

But mental illness also lurked in the background. In 1980, he was charged with trying to pay someone to burn down his stepmother’s house. His fingerprints were taken as part of that criminal case, and those prints ultimately helped confirm his identity following a partial DNA match to a distant relative.

Olson, who was diagnosed with paranoid schizophrenia, was deemed not competent to stand trial. He spent 11 years at a mental health facility in Illinois before being released in the early 1990s, Heston said.
https://www.sfgate.com/news/article/dna-reveals-identity-of-man-whose-body-was-found-20783127.php
 

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