Who said "I do not fear death—I have already died."?

This quote is attributed to RoboCop.

I do not fear death—I have already died. - RoboCop

"I do not fear death—I have already died."

RoboCop Death

"I'd buy that for a dollar."

"Serve the public trust. Protect the innocent. Uphold the law."

"I am a law enforcement officer."

"Dead or alive, you're coming with me."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."