Officials said 15 people were shot and killed Sunday in a targeted attack on a Jewish holiday celebration, to mark the start of Hanukkah, in Australia's Bondi Beach.
When 15-year-old Danni Houchins is found dead in a swamp, her family says they were led to believe she drowned. 24 years later, Danni’s sister learns the terrible truth. "48 Hours" correspondent Peter Van Sant reports.
