Main Street Mysteries S01E23 - 'Till Death Do Us Part

On the side of a deserted highway in California, Kenneth Stahl and his wife Carolyn are found shot to death in their car. Police comb the area for clues but find little evidence, and they are left wondering who could have wanted the upstanding couple dead. With a brutal killer on the loose, police dig into their victim's lives and uncover a rocky marriage full of lies and betrayal.