It's Public Enemy, Number One!

Reefer Madness is a 1936 cult film about a group of young students whose tragic downfall is apparently caused by their marijuana use.
Directed by Louis Gasnier. Written by Arthur Hoerl.

Mae: What time is it?
Jack: Time to get up and give this place the goin' over. It looks like the Marines have landed.
Mae: Well, that bunch last night was high enough to take over the Marines and the Navy!

Jimmy: How about driving over to the... Joe's place with me? I'll buy you a soda!
Bill: I never drink the stuff!

[Jimmy finishes a reefer before driving.]
Jimmy: Let's go, Jack. I'm red-hot!
Jack: Better be careful how you drive, or the first thing you know you'll be ice-cold.

Bureau Official: Here is an example: A fifteen-year-old lad apprehended in the act of staging a holdup — fifteen years old and a marijuana addict. Here is a most tragic case.
Dr. Carroll: Yes, I remember. Just a young boy... under the influence of drugs... who killed his entire family with an axe.