Already played Jeffrey Dahmer, should also play 70s California serial killer Gerald Gallego.

Gallego and his barbie-doll-like wife Charlene lured teenage hitchhikers into their customized van around Sacramento, Reno Nevada and Oregon in the late 1970s. Renner is a lookalike for Gallego.

http://murderpedia.org/male.G/images/gallego_gerald_armond/gallego_006.jpg