captioning sponsored by cbs ♪ >> o'donnell: tonight, panic in the park. the deadly attack at a california food festival. [gunfire] >> he had intentions to kill. he was going to shoot anybody and anything that moved. >> o'donnell: we're learning more about the youngest victim, a six-year-old just out of kindergarten. tonight the search for a motive and a possible accomplice. also tonight, the president's feud with congressman cummings. with the city of baltimore under attack, we take you there for a reality check. a father's anguish as he's charged in the accidental deaths of his one-year-old twins left in a hot car. it happens more often than you think. tonight tips for parents to prevent tragedy. two american teens held in the murder of an italian police officer. why this photo is raising questions about the investigation. the fortnite frenzy that landed