In early 1983 , Alan is a suspect in Susan 's murder investigation .
Murder investigation is later revealed that she was actually killed by Lila 's first husband , Crane Tolliver who reveals that suspect and Lila never divorced .
In early 1983 , Alan is a suspect in Susan 's murder investigation and it is later revealed that she was actually killed by Lila 's first husband , Crane Tolliver who reveals that he and Lila never divorced .