"It was your usual stockpile of prison contraband: six tightly wrapped packages filled with drugs, tobacco, rolling papers, and porn. But instead of smuggling them into prison the traditional ways (employees, visitors, baked goods), Maryland inmate Charles Brooks arranged to have a drone fly the cargo over a 12-foot barbed-wire fence and drop them in the yard. Drone smuggling operations are an increasing nuisance to correctional facilities around the world. Most prisons are fortified with spotlights, armed guards, and cameras, but have don't have the technology to detect unmanned aerial vehicles."