My grammar mistakes?

Hello to everyone, dear forum community. Today I was watching a short video, then I have written a short story. Could you show me my mistakes, please?
Kind regards.

This trooper Gault has a really dangerous work. He stopped the car, suspecting in using marijuana and alchohols. Everythings seems to be normally, but Gault felt smells of a marijuana. He asked a driver did he use drugs and did he has any drugs in a car. The driver had a small packet of a marijuana and he gave this packed to Gault. Gault asked him to came out of the car. When the driver came out, Gault begun inspect him. Then the video was ended.