TRENTON, NJ — Last month, the Trenton PD’s brand-new K-9 unit hit the streets, marking the first deployment of police dogs in the city’s history. The dogs have been assisting the local police force in routine duties across the city. The dogs, as they report, have been “extremely proud” to join the fight to uphold the Thin Grey Line between order and chaos. “We're ecstatic to finally be joining the Boys in Grey here in Trenton.” said officer Rex, a loose-cannon English Greyho