A teenager is found murdered on a construction site. Grissom, Sarah, and Warrick follow the lead of blood on a hammer. Nick, with an assist from Catherine, tries to find how a woman was killed by a gunshot on her lawn when no one nearby had a gun.
Quest roles:
David Berman(David Phillips), Geoffrey Rivas(Sam Vega), Archie Kao(Archie Johnson), Gerald McCullouch(Bobby Dawson), Roxanne Beckford(Marlene Mitchell), Kimberlee Peterson(Ashley Curtwell), Chip Zien(Lawyer), Brian Austin Green(Gregory Curtwell), Jack Conley(Jack Herson), Brian Sites(Benny Lizzio), Basil Wallace(Principal), James DuMont(Mr. Haddick), Marcus Mitchell(Stewart Mitchell), Todd Jeffries(Foreman), Will Schaub(Construction Worker #1), Chris Fogleman(Johnnie), Justin Lanning(Aaron Gilbert), Connor Ross(Trevor Beck), Nicolas Roye(Todd), Miranda Black(Young Mother), Bari Hochwald(Mrs. Haddick), Susan Chuang(Bloodhound Cop), Jeffrey J. Dashnaw(Brian Haddick), LeeAnn Powers(Parent)