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Robert Louis Grossman

The person at the center of this case

Robert Louis Grossman

Case
#3853
SourceNamus MissingUpdated Aug 18, 2026
Palm Beach County Sheriff's Office
Missing Person ยท Open
29 years waiting ยท since 1997

Missing Person: Robert Louis Grossman

Justice for Robert Louis Grossman โ€” the trail went cold in 1997, but the truth hasn't.

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Key leads to think about

๐Ÿ’ก
clue
Lead #1

Why did Grossman leave so minimally dressed in only blue mesh shorts with no shoes or identification?

๐Ÿ‘๏ธ
witness
Lead #2

Were there any witnesses who saw him after he left the residence that evening?

๐Ÿ“
location
Lead #3

Where would an 18-year-old with no shoes or shirt have gone from the Boca Raton residence?

Robert Louis Grossman, an 18-year-old male, walked out of a family member's residence in Boca Raton, Florida on the evening of August 3, 1997, wearing only blue mesh shorts with no shirt, shoes, or identification. Nearly three decades later, his disappearance remains unexplained, with no confirmed sightings or evidence of his whereabouts. The circumstances of why he left so minimally dressed and where he went that night continue to puzzle investigators and his family.

Case
#3853
SourceNamus MissingUpdated Aug 18, 2026
Palm Beach County Sheriff's Office

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More leads to consider

Beyond the top three above โ€” each detail below could be the thread that pulls this case open.

๐Ÿ”
evidence
Lead #4

Has any clothing or personal item belonging to Grossman ever been recovered?

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Even the smallest detail could be the key to solving this case.

Official wording

Source Narrative

NamUs case MP7166. Missing person: Robert Louis Grossman.

Last known contact: 1997-08-03 in Boca Raton, Palm Beach, FL. Circumstances: Grossman walked out of a family member's residence on the evening of August 3, 1997 dressed only in blue shorts (had no shoes, no shirt, or no id with him).

Demographics: 18 years, Male, White / Caucasian. Physical description: 5 ft 9 in, 135 lbs, hair: Brown, eyes: Blue.

Clothing and accessories: Clothing: Last seen wearing long blue mesh shorts, no shirt, no shoes. Investigating agency: Palm Beach County Sheriff's Office | 97-109796 | 1997-08-05.

Timeline of Events

๐Ÿ‘ค
1997-08-03
evening

Robert Grossman walks out of family residence

18-year-old Robert Louis Grossman departed a family member's residence in Boca Raton wearing only blue mesh shorts, with no shirt, shoes, or identification

Key Locations
Interactive map showing important locations related to this case

Case Information

Incident:August 3, 1997 at Invalid Date
Last Updated:August 24, 2026

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Phone: 5616883000
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Case Information

Incident:August 3, 1997 at Invalid Date
Last Updated:August 24, 2026

Have Information?

Any information, no matter how small, could be crucial to solving this case.

Phone: 5616883000
You can remain anonymous