CSI: Miami (2002)

S1E20 Grave Young Men

Horatio is confronted by a former parolee he once helped convict, who urgently seeks his aid in locating his missing teenage son. As Horatio delves into the case, he uncovers alarming clues that suggest the boy may be plotting a violent attack at his high school. In a parallel storyline, Speedle investigates a man's suspicious death, where the victim's seductive girlfriend, present during the incident, attempts to exploit Speedle's evident interest in her to divert attention from the case.