Firefighters who set fires, officially called 'firefighter arsonists', may be small in number, but they definitely make an impact. While things like insurance fraud and covering up another crime are common motives for arson outside the firefighting community, experts say those aren't what drive firefighter arsonists. So how does this happen? How does a firefighter turn into arsonist? Well. Let's take a look.See omnystudio.com/listener for privacy information.