Max Headroom Hacker Found. Macdoughall, a satellite dish salesman, interrupted the transmission of hbo with a written message criticizing the company for preventing non. Chicago — one of the greatest mysteries in broadcast history remains unsolved.
At 9:14pm, during the nine o’ clock news sportscast on the local wgn affiliate, television screens all over chicago went black. The max headroom hacker was back, and this time, with a longer message. The first time it happened was during the 9 o’clock news on wgn when the viewers were watching sports news and the screen suddenly went black for 15 seconds.