No issue has consumed more of the South Carolina Department of Corrections leadership's attention over the past decade than contraband cellphones inside its prisons. The problem is not abstract — cellphones have been directly linked to criminal activity, violence, extortion, and murder plots coordinated from behind SCDC's walls. Director Bryan Stirling, who has led SCDC since 2014, has made cellphone interdiction a signature priority and has pushed federal authorities — including the Federal Communications Commission — for tools that state corrections departments do not currently have legal authority to use.
Why Cellphones Are Dangerous in Prisons
A contraband cellphone in prison is not the equivalent of a contraband cigarette. It is a tool that bypasses every communication monitoring system the facility operates — unmonitored calls, unmonitored texts, internet access, encrypted messaging apps. With an undetected smartphone, an incarcerated gang member can:
- Direct drug trafficking operations outside the prison
- Coordinate with co-defendants or witnesses in pending cases
- Extort victims inside or outside the facility
- Threaten or arrange harm to witnesses, rivals, or former associates
- Run fraud schemes from inside a cell
SCDC has documented specific cases where cellphones inside its facilities were used to arrange murders that were then carried out on the street — the most serious manifestation of a problem that also includes extortion, harassment, and ongoing criminal enterprise.
SCDC's Detection Arsenal
SCDC has deployed a range of detection technologies in response:
- Body scanners at intake: Full-body X-ray scanning systems at intake points detect phones and other metal objects concealed on or inside the body. These scanners have caught thousands of phones that would have passed a traditional pat-down.
- K-9 electronics detection teams: Dogs trained to detect the specific chemicals in lithium batteries — found in every modern cellphone and tablet — can search housing areas, property rooms, and common areas for concealed devices.
- Drone interdiction: As phone smuggling through mail and visitors became harder, aerial delivery via consumer drones became a preferred method. SCDC has invested in counter-drone technology including detection radar, jamming systems (where authorized), and drone-catching nets.
- Managed access systems: These systems — which allow only registered SIM cards to connect to a cellular network inside the facility — are the most effective technical solution short of full jamming. SCDC has piloted managed access and pushed for broader federal authorization to deploy it.
The FCC Jamming Controversy
The most effective technical solution to prison cellphones is signal jamming — blocking all cellular signals within the facility perimeter. This is currently illegal under federal law (the Communications Act prohibits jamming), because jamming affects not just the prison but the surrounding area, potentially blocking emergency 911 calls by residents nearby. SCDC, represented by Director Stirling, has been among the most vocal advocates for a federal legislative or regulatory carve-out allowing prison jamming — and has run pilot programs with FCC authorization to test the technology's feasibility and impact.
The legislative debate about prison jamming has been active in Washington for years. SCDC, the South Carolina congressional delegation, and other state corrections leaders have argued that the current prohibitions protect telecom industry interests at the expense of public safety inside prisons. The telecom companies, whose network revenues are affected by jamming, have lobbied against it.
How This Affects Legitimate Family Communication
SCDC's contraband detection measures, particularly the shift toward more controlled and monitored communication, directly affects legitimate family contact. SCDC uses Securus Technologies for inmate phone services — a monitored, recorded system that is legal, authorized, and the channel families should use. Attempts to circumvent Securus by smuggling phones in result in disciplinary action and extend sentences through program violations.
SCDC headquarters: 4444 Broad River Road, Columbia, SC 29210. Phone: (803) 896-8555. Website: doc.sc.gov.