studio. this hour the shooter is dead, motive not clear. the second attack stopped in its tracks by a hero. i realized i needed to get the weapon away from him. needed to take this weapon, disarm him or else everybody would have died. plus, yes, there are more. 13-hour fbi search turns up more classified documents at the president s home. another major embarrassment for team biden and a gift for donald trump and republicans. and ron klain plans his exit and the president turning towards his next chief of staff. sadness. a shooter telling a celebration into a nightmare. police trying to piece together what they call an awful puzzle. why a 72-year-old asian man chose to spray bullets inside a ballroom in monterey park, california. killed ten disrupting the lunar new year and ending lives. the attack happening 10:20 p.m. and the shooter thread the scene before taking his own life in the middle of a standoff between police. in between the gunman visited a second ballroom