The person at the center of this case
Robert King Costello, Jr.
Missing Person · Open
27 years waiting · since 1999
Missing Person: Robert King Costello, Jr
Justice for Robert King Costello, Jr. — the trail went cold in 1999, but the truth hasn't.
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Key leads to think about
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witness
Lead #1Were there any witnesses who saw Robert on or around July 1, 1999 in St. Louis?
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contact
Lead #2What was the nature of his last known contact and with whom did he interact?
💡
clue
Lead #3What circumstances led to his disappearance and why was the case not reported immediately?
Robert King Costello, Jr., a 23-year-old Black male, was last seen in St. Louis, Missouri on July 1, 1999, and has not been located since. The circumstances surrounding his disappearance remain unclear, with no confirmed sightings or substantial leads documented in the years following. His case remains open with the St. Louis Metropolitan Police Department, and investigators continue to seek information from anyone who may have encountered him or have knowledge of his whereabouts.
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Official wording
Source Narrative
NamUs case MP11602. Missing person: Robert King Costello, Jr.
Last known contact: 1999-07-01 in St. Louis, St.
Louis, MO. Circumstances: Robert was last seen in St Louis, MO on 07/01/1999.
Demographics: 23 years, Male, Black / African American. Physical description: 6 ft 1 in, 195 lbs, hair: Black, eyes: Brown.
Investigating agency: St Louis Metropolitan Police Department | 00-017004 | 2000-02-08.
Timeline of Events
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1999-07-01
Last Known Contact
Robert King Costello, Jr. was last seen in St. Louis, Missouri on July 1, 1999.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 1, 1999
Last Updated:October 16, 2026
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Phone: 3142311212
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Case Information
Incident:July 1, 1999
Last Updated:October 16, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3142311212
You can remain anonymous