A forensic specialist is targeted by killers, challenging Briscoe and Curtis to find a suspect; McCoy and Ross turn up evidence on the victim.
As the detectives search for a racial motive in the slaying of a Chinese honor student, they receive a tip leading them to the boy's scholastic rival.
Gabe finds it impossible to live on his teacher's salary and gets a part-time job in a fast-food chain.
A college student's physics project is really a functional atomic bomb.
