|Pathology|| Double murderer|
Double attempted murderer
Billy Skags is a double murderer. A minister and a religious zealot, he attacked prostitutes and left homemade prayer cards of Zadkiel, the archangel of mercy, on their bodies afterwards.
- Maggie Ortiz
- Abby Mannion
- Spud (intended; she escaped)
- Gladys Dalton (attempted, but survived; was non-fatally strangled and left to die; later attempted to assault)
- Unnamed prostitute (attempted, was saved by Stabler/Benson)