One who steals a service vessel, blasphemes by a supernatural force, or cohabits with a gentile woman, zealots may smite him. [If] a Kohen serves while tamei, his brother Kohanim do not bring him to court; rather the young Kohanim remove him from the courtyard and split his skull with clubs. A non-Kohen who serves in the Temple —- R’ Akiva says: [He is executed] by strangulation. But the Sages say: By the hand of Heaven.