"When a young woman is found shot to death, it's hard to imagine why anyone would have harmed her; as investigators uncover potential suspects, they're challenged by violent backgrounds, mental health issues, drug problems, and obsess"

"In this week's episode : When a nursing student disappears, suspicion immediately falls on her boyfriend and the other woman in his life; police struggle to pinpoint a suspect until a guilty conscience leads them to her body -- and h"