http://en.wikipedia.org/wiki/Jeffrey_Dahmer
http://www.trutv.com/library/crime/serial_killers/notorious/dahmer/
Several years ago my dad told me he worked at Ambrosia with Dahmer and remembers helping him carry large containers from some of the ingredients out to his (Dahmer's) vehicle. :-o I knew my dad had worked there, and it would've been very late 80's at the time so I don't doubt it.