We can’t assume he was aiming at anyone. He was probably”aiming” at an imaginary “target” and the victims were in the line of fire.
As I posted on another thread, movie companies need to change procedures on such setups. Have the camera operator start rolling, then have that person and all other crew clear the line of fire before the director yells “Action!”
Aiming at the camera while giving dialogue. Cinematographer at the camera and director directly behind watching the screen playback.
the FR covid experts here are now suddenly movie prop experts