A California police officer shot dead in his home -- his ex-wife admits she pulled the trigger. Did a photo posted on social media lead to the officer's death? 48 Hours' correspondent Erin Moriarty reports.

Jessi Toronjo was just 9 years old when she returned from a sleepover at a friend's house to find out her mother, stepfather and two sisters were murdered. More than three decades later, Toronjo shares her emotional story of the search for her family's killer and putting her life back together.