Stafford Douglas

A mass murderer abducts Garcia and Reid, forcing the rest of the team to find them. The BAU examines their past to try and figure out why the pair have been targeted.

When former Special Agent, Quinn is found locked inside a storage unit, the BAU questions his account of hunting down an unsub dubbed The Strangler.

US Marshall Mary Shannon must hunt down witnesses for federal cases in the witness protection program while trying to raise a rather dysfunctional family in her own personal life. WITSEC works with a witness to infiltrate a secret society and Mary returns to the office to find that things have changed.