the islamic state of iraq and the levant claimed responsibility for the terrorist attack.&lt;ref name="gmbh 2016 / isis"&gt;&lt;/ref&gt; the perpatrator was anis amri, a tunisian asylum seeker. on 23 december 2016, amri was shot dead by an italian police officer in sesto san giovanni, lombardy. german police later confirmed that amri's fingerprints were the same as those in the truck.