Patrick Boll

When the number of a leading tech executive comes up, Finch infiltrates her corporation to gather intel – but can't determine whether she is working in her company's best interest or planning to destroy it from the inside. Meanwhile, Carter continues to question Detective Beecher's (guest star STERLING K. BROWN) integrity after he provides incriminating information about a fellow detective.

Alicia and Frank Prady square off in a crucial debate in the race for State’s Attorney as Peter and the city of Chicago prepare for a potential riot. Chris Matthews and Rachael Harris guest star.

Holmes' former protégé, Kitty Winter, warns him of a killer who is eliminating everyone involved with a case they worked on together in London; Watson discovers that Kitty has a lifechanging secret.

A friend who was framed for a domestic terrorist attack turns to Alex; the collaborators stir fear to help pass the registry.