This woman walks into a pharmacy and asks the pharmacist for some arsenic.

"What for?" he asks.

She says, "I want to kill my husband."

He says, "Sorry, I can't do that."

She then reaches into her handbag, pulls out a photo of her husband in bed with the pharmacist's wife, and hands it to him.

He says, "You didn't tell me you had a prescription ..."

Submitted by KNUGURU in the "Share a Joke" discussion