A mortally wounded woman crawls to call 911. Her husband who wants a divorce she will not give him gets a hard look from police. But he says he has an airtight alibi for the exact time of the murder. The intricate forensic science of ballistics is brought to bear to and draws a direct connection to an unexpected conclusion.  To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices