Their names are withheld.Police say they presume as many as seven men and boys paid for sex with the two girls during a party Sunday night,We're not finished because everyone that is friendly is still not arrested, Trenton mayor Douglas Palmer said. "The police will not rest until we get every person who was involved in this,Officials say the 15 year old was baby sitting her stepsister on the afternoon of March 28 when she stumbled upon two males who invited her to "spend time" using them