Katrina Norman

When shooting victims are found in the Los Angeles area with possible links to criminal activity, the BAU searches for a vigilante UnSub.

It's holiday time and the kids have to find the perfect Secret Santa gifts.

A thrift store donation turns gruesome when a dead body is found in a box; meanwhile, Langston's wife pays a surprise visit to the crime lab.

Alexis enlists a surprising ally in her battle with Blake; with her loyalties torn, Fallon must decide between helping the company or coming to the aid of Culhane's family.