Antonio Leon

The BAU investigates the cause of several fatal car crashes involving drivers and pedestrians. Also, Reid gets bad news.

When Reid fears his mother has been abducted, he asks the BAU to investigate while he's stuck in prison.

Disruptive Hailey refuses to leave the Cohen house. Seth chooses Anna. Ryan is jealous of Marissa's troubled new friend, Oliver. But Ryan later helps Oliver get out of trouble.

The story of Melinda's transformation is revealed; Skye learns more about her heritage -- and the truth sends her in a new direction.

Danny's mom is questioned by the FBI; McGarrett works with a young, autistic man who might be able to help solve a murder.

Grissom and his team look for a killer after the remains of a young boy who starved to death are found in a plastic container.