 In August 1983, he also attacked the Maison de France in West Berlin, killing one man and injuring twenty-two.Within days of the bombings, Carlos sent letters to three separate news agencies claiming responsibility for the bombings as revenge for a French air strike against a PFLP training camp in Lebanon the previous month.Historians' examination of Stasi files, recently accessible after German reunification, demonstrates a link between Carlos and the KGB, via the East German secret police.