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Case Description
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Keith Cos Williams, a 30-year-old male of African American ethnicity, tragically died on November 18, 1997, in Chester, Pennsylvania. The circumstances surrounding his death were investigated as a murder case.

The investigation into Keith Cos Williams' death involved multiple law enforcement agencies, including the Chester Police Department and Delaware County Detectives. The case was complex, requiring detailed evidence gathering and forensic analyses. Despite the extensive efforts, the ...Read More
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Victim Details

Keith Cos Williams

Male

Black / African American

Chester

PA

1997-11-18

30

Keith

Cos Williams

11/17/2025