San Mateco County Probation Officers help Petaluma PD, Sonoma Couny law enforcement in multi-agency operation.   Source: Petaluma Patch Posted by Susan C. Schena, April 08, 2014 at 8:33 am http://petaluma.patch.com/groups/police-and-fire/p/hooker--john-sting-nets-19-in-petaluma-sonoma-county-motels