“Live fast, die young, leave a good looking corpse.” It’s a maxim rarely quoted by high school commencement speakers, but students who attended the Preston School of Industry took the adage seriously, with fatal results.

Killing someone is not generally considered a good career move. It is frowned on in the bible and there is no mention of this technique in any of the books of Dale Carnegie, Stephen Covey, or Tony Robbins. For Paul Kelly, however, this act secured a long and successful acting career.

San Francisco police officer Ken Katz had finished his shift at 6:40 p.m. on Jan. 19, 1979, and was on his way home after completing his off-duty assignment: buying the ingredients for his wife’s banana daiquiris.