Law enforcement officials say evidence collected so far does n't suggest foul play . Forensics expert talks about how evidence differs in suicides and lynchings . The Mississippi Bureau of Investigation agent says a report on the cause of death is expected next week .
Law enforcement officials say evidence collected so far does n't suggest foul play . Forensics expert talks about how evidence differs in suicides and lynchings . FBI agent says a report on the cause of death is expected next week .