Video camera assembly for a firearm

A method of generating video data with a video camera assembly, the method comprising:

• providing the video camera assembly attached to a rail mount of a firearm, the video camera assembly having a frame, a controller located on a circuit board inside of the frame, a memory located on the circuit board in operative connection with the controller, a camera, integrated with a lens, in operative connection with the controller, a microphone in operative connection with the controller, a power supply in operative connection with the controller, and a power switch configured to connect power to the controller from the power supply in an on position and disconnect power to the controller in an off position, in which the camera is configured to generate video data to be stored on the memory, the microphone is configured to generate audio data to be stored on the memory, and the camera generating video data and the microphone generating audio data when the power switch is in the on position;
• and
• turning the power switch to the on position.