Adam O'Neill was a man who served as a lawyer for serial killer Kyle Boone and who was later revealed to be Boone's accomplice and a copycat killer.
Biography[]
Pre-Series[]
NCIS Season 3[]
Personality[]
Physical Appearance[]
Modus Operandi[]
Victims[]
- Four unnamed female victims- (same M.O as Boone's).
- Paula Cassidy- (attempted but she fought back, killing him).