‘Nasal Ranger’ patrols for pot smells in Denver
DENVER -- One man uses a secret weapon to make sure the smell of marijuana doesn't overpower local neighborhoods. Cultivating marijuana has the potential to make growers a lot of money. But growing it, even with special filtration systems, can emit a skunky smell that spreads for blocks. Certified odor observer Ben Siller's job is to check out odor complaints the city of Denver receives.