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).