A skilled Marine who specialized in K-9 bomb detection is killed on duty in Afghanistan and his wife begs NCIS to hold their own investigation into his death.
The team responds to emergencies at an accountant's office and a "living funeral" car crash; a suspect dies in Athena's custody only minutes after his arrest.
The team rescue a pair of roommates in a landfill and a woman whose worst nightmare has just come true; Athena and Maddie work together to find a missing boy.
A killer posts "missing" fliers, to taunt each victim, before he kills them, and it's up to the behavioral analysis team to follow each clue left behind.
BAU team investigates a killing spree located in the rural areas of Virginia, which bears striking similarities to a crime that occurred two decades earlier.
The experts in behavioral analysis work against the clock to catch the culprit responsible for the disappearance of two teenagers, one of whom has been killed.
When the contents of a self-storage unit are revealed, the team becomes suspicious due to the articles within that imply a serial killer is in the making.
In a small Texas town, Hotchner and his team examine a recent spree of murders, leading them to investigate a teenage serial killer and his girlfriend.
Taking a trip to Miami, Hotchner, Rossi and their team investigate a serial killer whose sexual identity may be an important factor in determining his motives.
Athena and Bobby pause their vacation while on a honeymoon cruise when an emergency situation suddenly arises; a civilian gets stuck thanks to a fighter jet.