then out of the blue this weekend, she received a text message from her son telling her that he was at his father's house being kept behind a fake wall hidden in a linen closet above the garage where police found him saturday. >> we opened the compartment where he was, and i saw him and asked him to come forward. and he was frozen with fear. >> reporter: police haven't revealed how the teen got the cell phone. neighbors say he wasn't always kept hidden and they had seen him outside in the past doing heavy yard work. >> i see him during school days outside working on the yard. long hours. >> reporter: now 37-year-old father gregory john and his girlfriend 42-year-old samantha davis, who officials say is already on probation for a previous child cruelty conviction, are charged with false imprisonment and child cruelty. the two are being held without bond, remaining behind bars.