WASHINGTON (Sinclair Broadcast Group) – Cellphones are just about everywhere these days, including, it turns out, our nation’s prisons.

They’re dropped in by drones, thrown over jail walls, and even smuggled in by Corrections Officers.

And it’s all illegal.

This week’s “Spotlight On America” investigation found that lock-ups nationwide are flooded with contraband phones. They’re being used to plot escapes, run criminal networks outside prison walls, and call in hits.

Capt. Robert Johnson, a former South Carolina Corrections Officer, knows the dangers all too well. An inmate called in a hit on him in 2010.