The Benefactorteen Wolf : — Season 4 Episode 4

: Sheriff Stilinski and Derek hunt "The Mute," a mouthless assassin using high-tech equipment to kill targets. Although they corner him, Peter Hale arrives and brutally kills him before he can be questioned.

In " The Benefactor " (Season 4, Episode 4), the pack faces the fallout of Scott's accidental bite on Liam while uncovering a deadly conspiracy against Beacon Hills' supernatural community. The BenefactorTeen Wolf : Season 4 Episode 4

For more scene-by-scene details, you can read the full episode recap on Entertainment Weekly or TV Fanatic . Teen Wolf recap: The Benefactor - Entertainment Weekly : Sheriff Stilinski and Derek hunt "The Mute,"