Following an episode that left our critic gasping in suspense, Criminal Minds will return to a scene of a heinous crime next Wednesday night.

On "Painless," the BAU will be after a killer with the most evil of intentions: he sets his target on the survivors of a high school massacre from a decade earlier, as they gather to mourn the tragedy.

Elsewhere, Hotch grows concerned over Jack being bullied. Check out the official CBS promo now: