ummm. CB cant pick up police band…
you need this:
http://cgi.ebay.com/Motorola-Radius-GM-300-VHF-45-watt-16-ch-radio_W0QQitemZ320134809801QQihZ011QQcategoryZ296QQrdZ1QQcmdZViewItem
I had one for a while when i was in the fire dept, it was great, I could pick up every band useing county dispatch.