He cites a reward offered for help in the 2009 drive-by shooting death of a 13-year-old girl.
Police say a 15-year-old girl went to a party at the building March 28 and offered her younger stepsister's body for sale to a group of grown men.
Police arrested a 20-year-old Trenton man Wednesday on allegations of having sex with the 15-year-old, but they believe at least seven other men who were involved are still at large.
