Paul Kenneth Keller

Paul Kenneth Keller is a serial arsonist and serial killer. He is serving 99 years in prison without the possibility of parole after being convicted of setting 32 fires and admitted to setting 44 more. He killed at least three individuals, and causing more than $30 million in property damage after a six month rampage from 1992 to 1993.

Known Victims

 * 3 unnamed victims

Criminal Minds
Keller was mentioned in Season Two episode Ashes and Dust.