VIDEO: "Crafty" Prison Inmates Escape Through Walls To Freedom

(OKLA 4)  Four inmates escaped through the plumbing system at a detention center in Oklahoma on Sunday morning, police said.
"Caddo County Detention Center had four inmates escape from the Detention Center thru the trap door above the shower and then into the pipe chase and out the pipe chase door!" the Caddo County Sheriff's office said in a statement.