2MA 4:34

34 Wherefore Menelaus, taking Andronicus apart, prayed him to kill Onias. And coming to Onias, and being persuaded to use treachery, and being received as a friend, [Andronicus] gave him his right hand with oaths [of fidelity,] and, though he was suspected [by him, so] persuaded him to come forth of the sanctuary; and forthwith he despatched him without regard of justice.