While Mason and Della run a solemn errand up north, Strickland tracks down the sergeant originally assigned to the Dodson case. Before returning to L.A., Mason drops in on his…

After the skull of a promising young dancer is found lodged in concrete at a construction site, the team must first figure out what happened to the victim’s skeletal structure….

When homeless persons begin going missing mysteriously from the streets in Kansas City, a local detective calls the BAU to investigate the disappearances.