night. a 3:00 a.m. knock at my door. they said, "your dad's been shot and he's been killed." i screamed. the scariest thing that you will ever go through. my whole world crumbled. >> cara was the kind of teacher students just love. >> she was a rock star at her school. >> with the same man for 20 years, enjoying life together by the beach. >> the balcony was like our second living room, you can hear the waves on the shore. >> but she was all alone that night when, according to her, an intruder burst into her bedroom. >> i was scared to death. i didn't have any other choice. >> you shot him? >> i shot him.