AD Police: Dead End City(AD.POLICE 終焉都市AD.POLICE Shuuen Toshi) is a japanese comic book limited series written by Toshimichi Suzuki and illustrated by Tony Takezaki. Its happenings are set between A.D. Police Files and Bubblegum Crisis. The story focuses on the members of the AD Police, an advanced group of officers tasked with stopping terrorist activities and Boomer crimes in the city of Mega Tokyo.