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Missing Person: Gary Arnett Tilleman - Case Investigation | CrimeOwl AI
Gary Arnett Tilleman

The person at the center of this case

Gary Arnett Tilleman

Case
#1927
SourceNamus MissingUpdated Jul 1, 2026
Orange County Sheriff's Office
Missing Person · Open
27 years waiting · since 1999

Missing Person: Gary Arnett Tilleman

Justice for Gary Arnett Tilleman — the trail went cold in 1999, but the truth hasn't.

Start here

Key leads to think about

⏰
timeline
Lead #1

What occurred during the nine-hour gap between 8:30 a.m. and 5:30 p.m. on January 4, 1999?

👁️
witness
Lead #2

Did anyone see Gary leave his residence or observe his activities that day?

💡
clue
Lead #3

Were there any signs of forced entry, struggle, or unusual circumstances at the residence?

Gary Arnett Tilleman, a 48-year-old white male, disappeared from his residence in Winter Park, Florida on January 4, 1999. He was last seen at his home at 8:30 a.m. and was found to be missing by 5:30 p.m. the same day. The circumstances of his disappearance remain unclear, and investigators continue to seek information about what happened during those nine hours.

Case
#1927
SourceNamus MissingUpdated Jul 1, 2026
Orange County Sheriff's Office

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Official wording

Source Narrative

NamUs case MP84862. Missing person: Gary Arnett Tilleman.

Last known contact: 1999-01-04 in Winter Park, Orange, FL. Circumstances: Gary was last seen at his residence in Winter Park, FL at 8:30 a.m.

At approximately 5:30 p.m., Gary was no longer at the residence. Demographics: 48 years, Male, White / Caucasian.

Physical description: 5 ft 9 in, 165 lbs, hair: Black, eyes: Blue. Investigating agency: Orange County Sheriff's Office | 21-067127 | 2021-09-17.

Timeline of Events

👁️
1999-01-04
08:30

Last Seen at Residence

Gary was last seen at his residence in Winter Park, FL at 8:30 a.m.

👤
1999-01-04
17:30

Reported Missing

Gary was no longer at the residence by approximately 5:30 p.m.

Key Locations
Interactive map showing important locations related to this case

Case Information

Incident:January 4, 1999 at 8:30 AM
Last Updated:July 10, 2026

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

Phone: 4072547200
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Case Information

Incident:January 4, 1999 at 8:30 AM
Last Updated:July 10, 2026

Have Information?

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

Phone: 4072547200
You can remain anonymous