paragraph: Three years after the events of the original film , the authorities are attempting to return law and order to ravaged District 13 .  The death of gang overlord Taha Ben Mahmoud has left a power vacuum , and total control of the area is now being fought over by five rival territorial gang lords who want to step into Taha's position .  After taking out a major drug dealer , Damien is framed for drug dealing and arrested , but manages to make a call to Le to .  Meanwhile , corrupt government agents from the Department of Internal State Security , led by Gassman are bent on destroying the five tower blocks at the heart of District 13 with tactical precision bombing , and building luxury flats after the area is cleared .  In order to spark conflict with the district's gangs , they shoot several cops , dump their car in District 13 , and prompt several gang members into gunning down the vehicle .  The footage of the incident convinces the President to carry out the strike .  However , a group of teens videotaped the agents as they shot the cops themselves .  The DISS agents soon come after the teen to arrest him and seize the recording , but the youth manages to slip his memory card to Le to .  Le to escapes the cops in District 13 and goes to rescue Damien .  After freeing Damien from his cell , they discuss the events and further plans , resolving to gather enough proof to expose the DISS agents .  While Damien distracts the guards , Le to breaks into Gassman's office to steal his hard-drive for the evidence that they need . 
question: Who did Damien kill?
answer: Gassman