A 911 Call and a Stairwell Death: A Case Examined

The mysterious death of a man at the bottom of his home stairs is under scrutiny. The case of Kevin Davis is being analyzed by "48 Hours" correspondents Anne-Marie Green and Peter Van Sant on the "Post Mortem" series. Investigators reportedly found his wife Alison's emergency call suspicious. Her behavior during that 911 call raised questions for authorities. The case then moved to the courtroom, where a legal battle unfolded over the cause of death. Two medical experts gave conflicting testimony about how Kevin Davis died. The program examines these key elements: the suspicious call, the disputed medical evidence, and the search for answers.