Ray Stoney

The team must put their holiday decorations on hold to investigate a Marine's death by his cell phone blowing up. They begin to realise that they need to locate his former unit to protect them from further explosions.

One of the diverse recruits -- the best and the brightest -- who arrives at the FBI Quantico Base for training is suspected of masterminding a terrorist attack.

A series of strangulations leads the team to look for a killer who keeps mementos of his victims and Rossi's favourite bar is in danger of closing.

After a petty officer is found murdered, McGee spends hours on the victim's ham radio trying to locate a key witness.

Jane and Maura's friendship is strained after the shooting of Maura's biological father; Jane's relationship with Agent Dean is exposed.

The team investigate the execution-style murder of a club owner and his wife, while Catherine reveals the truth about her father, Sam Braun.