Bill Cwikowski

Alicia tries to hold a website accountable when its users accuse a college professor of being linked to domestic terrorism. Meanwhile, Will goes against Diane's wishes when he hires Damian Boyle.

Root questions Weeks, one of the few men who knows of the Machine's existence, about where it is, and kills him afterwards. Meanwhile, Reese and Carter go to Texas to investigate the girl who disappeared a few years ago.

The detectives investigate a doctor who takes revenge on his dates by infecting them with rare viruses.

When a nun, who helped to reform child prostitutes, is murdered, Goren and Eames discover a possible link with a crime that occurred years previously.

Jack struggles to hold on to his career, while Floyd gets in touch with Liz and the team celebrate TGS's annual Sandwich Day.

Benson and Stabler enlist Huang's help in probing the connection between a teenage boy undergoing psychiatric treatment, the deaths of two high-school students, and an illegal marketing campaign by a major pharmaceutical company.