eugene cogence was found in an isolation cell. he was found dead about two hours later. >> there was a lawsuit that resulted from the death of my brother eugene. with my brother tim, he being murdered. then 2001, my oldest brother eugene cogence. he'd get killed here. all i can tell you is that my family have been having a hard time with this department in spalding county. >> reporter: after eugene's death, they filed a civil suit. the medical examiner found eugene had been choked while at the jail. the suit was eventually settled with the family receiving more than $450,000. >> we really don't know what happened to eugene in that jail cell. >> reporter: over three decades, and after the wrenching loss of two brothers, the coggins family moved on with their lives. >> these and all things we ask in your precious and holy name, amen. >> reporter: but never forgot about finding justice for tim. >> this case had already gone through maybe three or four sheriffs, and no one would reopen it. >> reporter: until 2016, when agents from the