Jared Hillman

Gunshots, a fleeing van and a massive pool of blood all point to murder, but when Castle and Beckett arrive at the crime scene, they discover that it's lacking something, a victim.

An investigation leads the team to question a lone survivor of a former terrorist network, while Kensi and Deeks follow the trail into the woods.

As Veronica finds herself overwhelmed by requests for information on her peers' parents, a serial killer on the loose precipitates Keith's return to the sheriff's department.

House shares explicit medical stories with students at a school's career day; two fifth-graders try to help House understand how his antics prevent him from showing Cuddy how he feels.

The team search for a 17-year-old boy who was last seen with the charismatic headmaster of his private boarding school, and with whom he may have had an unsavoury relationship.

Paranoia levels run high in the team when Jack finds himself under investigation after he is accused of coercing a confession from a paedophile.