Pyromania is an impulse control disorder in which an individual repeatedly and deliberately starts fires- in order to relieve tension, for gratification or for relief. The term pyromania comes from the Greek word πῦρ (‘pyr’, fire).
This was just one of a dozen buildings torched by a pyromaniac over a single weekend two years ago. A Porirua man was eventually charged with 13 arsons that included setting fire to five churches, but was found not guilty by reason of insanity.