The Iron Pipeline “You wanna know what I do now?" "I sell guns.” Gun laws and gun violence. An honest conversation. illegal firearms make it to New York, Connecticut and other states with some of the nation’s toughest gun laws. Police worry about their own safety after killings: 'It's a different world' Law enforcement officials say 90% of the guns seized in connection with New York City crimes come via the Iron Pipeline from Virginia, Georgia, Florida and other states linked by Interstate 95, the heavily traveled corridor favored by gun smugglers.