Key obtained his doctorate in communications from the University of Denver and taught journalism for a short period of time at the University of Western Ontario.
A US court case in 1990 accused the English Heavy Metal Band Judas Priest of causing suicide through subliminal messaging.
Key advised the plaintiffs lawyer to hire Bill Nickloff, an audio engineer, to find the subliminal messaging.
[2] Key died following complications resulting from surgery.
[citation needed] His results and conclusions have been challenged, in books including the following: