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Crime Solvers Central
302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP3868) and 5 other sources
In the quiet suburb of Ballwin, Missouri, a Father's Day celebration was the catalyst for the discovery of a profound and enduring mystery. On June 17, 1975, the son of 49-year-old Jack Jerome Girou and his wife, Patricia, arrived at their home with the intention of taking his parents out. Instead, he was met with an unsettling silence. The house was empty, yet everything appeared to be in order. The couple's cars were parked in the garage, and their personal belongings, including keys, wallets, and money, were left in the bedroom. An even more troubling sign was the family dog, found in the backyard without food or water, a detail that suggested a sudden and unplanned departure. Jack Girou, a man described as a reliable tool-and-die maker, had seemingly vanished alongside his wife without a trace.

The only account of their last known moments came from their teenage daughter, JoAnne, who was living with them at the time. She told investigators that on the morning of June 11, 1975, her parents left to attend a funeral. Her story included the peculiar detail that her father, Jack, had placed a. 38 caliber Smith and Wesson revolver in his waistband before they departed. According to JoAnne, her parents then entered a large, green limousine or Cadillac and were driven away, promising to call with a contact number in case of an emergency. That call never came. The night before their disappearance, there had reportedly been a significant argument between JoAnne and her father concerning her lifestyle, which resulted in him asking her to move out. She packed her belongings and left the day after her parents were last seen.

In the weeks and months that followed, the St. Louis County Police Department launched an extensive investigation. Authorities searched the sewers in the neighborhood, meticulously dug up the family's garden, and even excavated a piece of land the Girous had purchased for their future retirement home. Despite these exhaustive efforts, no clues to their whereabouts were ever found. Investigators noted that it was highly uncharacteristic of the couple to miss work without notification. The case grew cold, leaving behind a void of information and a family grappling with unanswered questions. Over the years, the disappearance of Jack and Patricia Girou has become a haunting local enigma. Foul play is suspected, and though they have been declared legally dead, the mystery of what happened on that June morning in 1975 remains unsolved, a silent testament to a family's enduring loss.

Last Seen: Jun 11, 1975

Possible Unidentified Matches (5)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

79%Possible
John Doe — St. Louis, Missouri
UP5307 • Found Jul 3, 1989
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Sex ✓Male
Age 100%Est. 50–65 vs 49 when missing
Race 100%White
Location 98%16 mi away, same county
TimingFound 14 years after last seen
Height 84%5'10" vs 5'8"
Weight 96%150 lb vs 170 lb
Hair 70%Gray vs Brown
78%Possible
John Doe — East Saint Louis, Illinois
UP17491 • Found Apr 26, 1978
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Sex ✓Male
Age 81%Est. 55–60 vs 49 when missing
Race 100%White
Location 97%21 mi away
TimingFound 3 years after last seen
Height 100%5'9" vs 5'8"
Weight 66%125 lb vs 170 lb
Hair 40%Gray vs Brown
78%Possible
John Doe — Chester, Illinois
UP155101 • Found Nov 12, 1993
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Sex ✓Male
Age 100%Est. 38–52 vs 49 when missing
Race 100%White
Location 87%59 mi away
TimingFound 18 years after last seen
Height 100%5'7" vs 5'8"
Weight 100%140–160 lb vs 170 lb
77%Possible
John Doe — Mount Vernon, Illinois
UP116745 • Found Dec 5, 1993
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Sex ✓Male
Age 100%Est. 65–78 vs 49 when missing
Race 100%White
Location 78%90 mi away
TimingFound 18 years after last seen
Height 100%5'6"–5'8" vs 5'8"
Weight 100%170–220 lb vs 170 lb
Hair 100%Brown vs Brown
77%Possible
John Doe — City of St. Louis, Missouri
UP8277 • Found Sep 3, 1978
View case
Sex ✓Male
Age 60%Est. 25–55 vs 49 when missing
Race 100%White
Location 99%16 mi away, same state
TimingFound 3 years after last seen
Height 84%5'6" vs 5'8"
Weight 100%175 lb vs 170 lb
Hair 100%Brown vs Brown

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.