Perhaps you turned off the police service types, if you aren't getting anything now.
1. Select Menu
2. Choose "Select Service Types" from the menu
3. On the lower right, there is a down arrow, select that option to screen two. The bottom two no the right are "Law Dispatch" and "Law Tac", select those two.
4. Select the down arrow again to ge to the next page. Select the "Law Talk" option at the top left.
Hope this helps,
SE of Tucson