A teen with a large bag of fentanyl arrives at FBI headquarters looking for protection from the people who shot his father; Nina makes a proposal to Scola.
A vicious virus is spread to Walter's computer and turns Team Scorpion's new "smart" building project into an unsafe structure, trapping people inside.
A vicious virus is spread to Walter's computer and turns Team Scorpion's new "smart" building project into an unsafe structure, trapping people inside.
The BAU team has difficulty identifying multiple victims when the team brought in to help catch a killer who is responsible for decapitating several men.
As the BAU investigates an unsub known as "The Bone Crusher," a mother comes forward saying that she can offer the team information pertinent to the case.
Two bodies are found to have been murdered by varying means, so the BAU thinks two unsubs may be working at the same time; team tries to ensure Reid's safety.
An urban vampire takes his victims at night and leaves them in the sewers underground; Reid makes a decision that greatly affects him and other inmates.
Pride and the crew attempt to find a teenager who's been kidnapped, and all signs seem to point to her father, who will soon have custody of the young girl.
The team searches for a sniper who killed a petty officer and could be working with a partner; Rita informs Pride that she is considering taking another job.
Pride's old nemesis, Sasha Brousard, is presumed responsible for damage done to his bar; Tammy is surprisingly accurate with how she profiles Hannah and Carter.
The team hunts down an ex-Marine gone rogue after a federal corrections officer is shot; Tiffany's sister looks for help after their brother starts acting out.
An off-duty diplomatic security agent is fatally shot in New York, leaving the team wondering it the shooting might be connected to his time working in Croatia.