Three men were arrested this week during a compliance check of registered sex offenders throughout San Luis Obispo County. San Luis Obispo County Probation Department and California State Parole conducted probation and parole compliance sweeps in Arroyo Grande, Atascadero, Grover Beach, Nipomo, Oceano, Paso Robles, San Luis Obispo and San Miguel. During the operation, 37 people were contacted and all but three were found to be in compliance. All three are back behind bars.