TRACY — The family of Clayton "Cotton" Riggins still waits for justice.
Nearly two months ago, Riggins was found beaten to death in his home on West Carlton Street. A 19-year-old man was arrested in December on suspicion of killing him, but no charges were filed.
Of the five Tracy homicides in 2009, the 72-year-old's is the only case that does not have a suspect in custody. The investigation into who killed the retired train brakeman and conductor is ongoing, Tracy police Sgt. Tony Sheneman said.
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Police ask anyone with information to call Detective Craig Kootstra at 209-831-6637 or Tracy Crime Stoppers at 209-831-6847.
