 Public and convention speech since yesterday's shooting, says former President Trump to the Washington Examiner. He says he'll now focus on national unity. On the investigation, ABC News contributor and retired NYPD Chief of Detectives Robert Boyce. What could they have done? He had a pitched roof that he climbed up, was not seen until the last minute, but people on the ground saw him. So you look at communications devices, how quickly that information moved around. Almost immediately after he fired, the sharpshooters fired at him.