Jail Enforcement Model (JEM), 152 agencies: Allows officers to screen individuals booked into local jails for immigration status and issue detainers to hold them for ICE.Task Force Model (TFM), 809 agencies: This is the one that matters most for trucking. Under the TFM, deputized officers can stop, question, and make arrests for immigration violations during their routine policing duties. That means the state trooper who pulls your driver over for a pre-trip inspection deficiency, the officer working a weig ...