Child's Play
S4, E11: When CSIs investigate a murder victim, the clues lead them to an infamous seller of killer pranks, "Laughing Larry." Meanwhile, Danny works on a case involving a boy from his neighborhood.

S4, E11: When CSIs investigate a murder victim, the clues lead them to an infamous seller of killer pranks, "Laughing Larry." Meanwhile, Danny works on a case involving a boy from his neighborhood.