5 things to know for Dec. 16: Rob Reiner death investigation, Bondi Beach attack, Brown University shooter, Boat strikes, BBC

By Alexandra Banner, CNN Amid heightened security concerns at large gatherings, the FBI said it foiled a terror plot that was set to take place in Los Angeles on New Year’s Eve. Authorities arrested four people who were allegedly planning to detonate pipe bombs at buildings around the city. Here’s what else you need to