New video of a deadly officer-involved shooting in Orange shows the chaotic moments leading up to the shooting and the suspect reaching behind his back just before the fatal shot was fired.Police officers then broke open the window of his van and turned on a fire hose, to prevent a fire and force the suspect out of the vehicle.When he emerged, he struggled with officers and shouts of "he has a knife" are heard on the video.As officers struggle with him, he is seen reaching behind his back right before being shot once by an officer. He was pronounced dead at the hospital.Investigators said two knives were found at the scene.