That enabled Joker's Henchmen to commit a wide variety of crimes and heists throughout the night, including stealing countless equipment, weaponry, and trucks from AmerTek, a military industrial corporation that specialized in the construction of steel for weapons manufacturing. After he locked up Copperhead in the back of one of Sionis's trucks, Batman learned that Joker had called a meeting with the remaining assassins. A man known simply as The Joker, a villain who was driven by a lust to create social disorder and desired nothing but anarchy to feed his sadistic appetites and morbid, dark sense of humor. After he arrived at the Steel Mill, Batman learned that Joker had used it to manufacture explosive chemicals and had his men take Sionis down to his old torture chamber to brutalize and interrogate him for any remaining secrets on his operations and then murder him. In the first, Joker had an abusive alcoholic father, who gave carved the Glasgow smile on Joker's face after killing his mother. Within his new position of power as an additional inside agent, Enigma used his resources and access privileges to take complete control of all the GCR Towers throughout Gotham in order to block Batman's auto-navigation trackers that were used for the Batwing and kept watch over the entire city.