After police radios go encrypted, some traffic still available over open airwaves

Most urgent calls still being dispatched to first responders over open airways

South Dakota’s largest county and city police agencies last month moved their radio transmissions to encrypted broadcast channels.

The switch — touted as a benefit to officer and victim safety — hasn’t resulted in publicly-accessible police scanners going completely dark, however.

At least not in Minnehaha County where the 911 dispatchers who alert first …