The Trenton Police Department is part a number of units that assist the general public downriver, as well as, other law enforcement agencies. These units work in conjunction with other communities to help provide services that would otherwise be unavailable. Some of the units are listed below,
The Downriver Mutual Aid Task Force
Crash Investigation Team
Homeland Security Investigations (HSI)
Crisis Negotiation Team
S.W.A.T.
Dive Team Units