Table:
text: List of CSI: NY characters
Notable villains
Notable villains
Character_ Portrayed_by Crime First_appearance Last_appearance
Sonny Sassone Michael DeLuise Murder (2 counts) Tanglewood Run Silent, Run Deep
Frankie Mala Ed Quinn Attempted murder (Attacked Stella) Grand Murder at Central Station All Access
Henry Darius James Badge Dale Murder (15 counts)  Felony Flight  ( CSI: Miami crossover) Manhattan Manhunt
D.J. Pratt Chad Williams Murder / rape (1 / 2 counts) (Killed Aiden) Summer In The City Heroes
Shane Casey Edward Furlong Murder (8 counts) Hung Out to Dry The 34th Floor
Clay Dobson Joey Lawrence Murder (3 counts) Past Imperfect Comes Around

Question: What is the name of the first appearance where Chad Williams is a character among the notable villains in the CSI: NY Character List?