No, the Catholic Church does do institutionalize murder and lies as core beliefs. Surely, the MEN who acted as Inquisitors were wrong in using torture and death as means to an end. Given the Mohammedan defeat and the proliferation of heresies, it is understandable that they acted AT THAT TIME as they did.
Too often we view history with eyes of modern man, instead of conditions that were prevalent at the time the events occurred.
It is well known that the early Catholic church required you to be accept their doctrine, if not you were put to death, this predates Islam.