Guns & Weapons 21 hours ago The growing threat of ghost guns Ghost guns have no serial number and are untraceable, which makes them a nightmare for law enforcement. News 4 New York’s Charles Watson reports. Local 2:21 Woman accused of performing unlicensed dentistry in Long Island kitchen 1:56 Massive fire rips through Moxy Hotel in Brooklyn 2:07 Real estate brothers charged with sex trafficking after allegedly raping dozens of women 3:18 New details regarding evidence in murder of UnitedHealthcare CEO 4:51 Chuck Scarborough's impact on his NBC New York colleagues