Florida man arrested with 2 pounds of fentanyl -- enough to kill 500K people

A Florida man was arrested with enough of the narcotic fentanyl to kill half a million people, cops revealed Tuesday. David Gayle, 43, was arrested for dealing drugs -- including two charges stemming from warrants for selling heroin within 1,000 feet of a church -- when detectives with the Hernando County Sheriff's Office executed a...