Detectives believe that foul play was involved in the death of a journalist tormented by depression, but his ex-girlfriend claims the man wanted to die.
When the strangling of a promising hispanic student at a private school is investigated, it is discovered that he was selling test answers and term papers.
A terrorist bombing in New York City takes out an SUV filled with members of the BAU, leaving the survivors to save their colleagues and track the perpetrators.
A recent series of murders is tied to a serial killer who was executed one year earlier, forcing the BAU to find a link between the dead man and the spree.
Prentiss and Reid go undercover to investigate possible child abuse at an underground cult, but a federal raid leaves them trapped inside the compound.
The BAU investigates a string of car accidents after it is determine they are actually cover-ups used by a murderer to disguise the true nature of the deaths.
Agents Prentiss and Todd go undercover in order to profile a serial killer who poses as a pickup artist and uses powers of persuasion to lure women into danger.
A killer attracts the BAU's attention by shooting drivers on the freeway, and they believe he is murdering surrogates until he can go after his intended victim.
A man is suspected of being a rapist and murderer, and after a woman is abducted, the team decides to interrogate him, which leads them to a shocking clue.
After a young woman is abducted, the BAU investigates the case, which involves a family of suspects, but things are more complicate than they expected.
The team tracks a killer who likes to embalm his victims, and a victim's mother tries to help with the case by hiring a psychic, who clashes with Rossi.
After a criminology student is found murdered, the BAU team hunts for a suspect who is recreating the techniques used by famous serial killers from the past.
The first responders face a series of emergencies such as a warehouse robot gone rogue; Eddie's fight club becomes unruly; Hen confronts relationship woes.
An apartment building is damaged by a meteor shower and a hazardous waste truck crashes; Hen's guilt over the ambulance accident continues to weigh heavily.
The 118 deals with a series of incidents that happen during the holidays more times than others; Maddie tries to embrace the future by reflecting on her past.