SOMERVILLE, N.J. (1010 WINS/AP) -- Authorities in New Jersey say they've arrested 19 people on charges of trying to lure minors for sex.State Attorney General Gurbir Grewal and Somerset County Prosecutor Michael Robertson on Thursday will disclose details about the sting called "Operation Open Door."Officials say the suspects used social media and chat apps to arrange to have sex with boys and girls. But instead of minors, officials say the suspects were actually communicating with police officers posing as children.Most of the suspects were arrested when they arrived at houses where law enforcement was waiting.