[s6e19] With Friends Like These -

Ben’s "friends" urge him to attack a nurse, Karen Heywood, after an awkward supermarket interaction.

Spencer Reid is deeply affected by the schizophrenic unsub, fearing his own mental health issues and struggling with the team's loss of Prentiss. [S6E19] With Friends Like These

13/20 on the Unsub scale, mostly because the villain is more victim than monster. Ben’s "friends" urge him to attack a nurse,

The BAU is reeling from the loss of Emily Prentiss (who they believe is dead), but they must focus on a series of violent murders in Portland, Oregon. The victims are bludgeoned and stabbed, with high levels of overkill—up to 71 times in one instance. [S6E19] With Friends Like These