Law Enforcement is done by the County Sheriff on their 800 MHz frequencies. (See Data Base). Still licensed is the old park police frequency of 44.960 and old park maintenance of 44.880. Old sheriff frequencies still licensed 45.420, 45.540 and 45.220 they were once used as back up to 800 MHz system but have been basically quiet of the last few years. You might want to try and monitor these frequencies.