He was so doped up, they made him think he had.
5 seconds sound clip from the Reefer Madness (1936) movie soundboard.
You can hear this line at 00:59:55 in the Blu-ray version of the movie.
Quote context
[...]
- But it was Jack who had the gun. He was going to hit Bill over the head with it to make him stop.
- And then, then the gun went off.
- I saw it. I can see it now. It was horrible!
- Before we knew it, Mary, Mary was dead.
- But you see, Judge, Bill didn't know he hadn't killed Mary.
- He was so doped up, they made him think he had.
- Ralph wanted to tell you, too.
- But this is the truth, Judge. I'm telling you the truth.
- After Jack saw that Mary was dead, he put the gun in Bill's hand.
[...]