J.J. Hawkins

The members of the BAU enjoy a Saturday off in vastly different ways; Rossi and Prentiss help Simmons assemble a new crib; Garcia leads a hacking competition; Dr. Reid strikes up a conversation with a woman named Maxine.

The team looks into the murder of a Marine major after human remains are found at a construction site, the officer believed to have died in the 9/11 attack on the Pentagon; a personal history with the victim drives Gibbs on.

Daniel files a civil suit against the police officer who shot his unarmed husband; Jira tries to connect with her birth mother.

Tia finds herself with a lot of enemies after she gives a powerful speech against Paul Evans and the Chicago Police Department.

Tia's campaign for alderman is in jeopardy after it is revealed that Jira is her daughter and she gave her up for adoption. Meanwhile, to help indict Paul, Daniel tries to find the anonymous sender of the security tape.

Tia receives a financial windfall from an unlikely source, putting her back in the race for alderman; Paul has a profound and life-changing revelation about himself.