▁but ▁German ▁public ▁opinion ▁bel ieves ▁that ▁such ▁searches ▁are ▁an ▁invasion ▁of ▁priv acy . ▁ ▁M ental ▁ill ness ▁discussion ▁The ▁attack ▁was ▁c ited ▁as ▁one ▁of ▁a ▁number ▁of ▁inc idents ▁in ▁which ▁ment ally ▁dist urbed ▁individuals ▁launched ▁violent ▁attacks ▁under ▁the ▁just ification ▁of ▁Islam ist ▁ideas ▁or ▁s log ans . ▁Other ▁examples ▁include ▁Man ▁Har on ▁Mon is , ▁the ▁gun man ▁in ▁the ▁ 2 0 1 4 ▁Sydney ▁host age ▁crisis ; ▁and ▁Michael ▁Ze h af - B ib eau , ▁the ▁perpet r ator ▁of ▁the ▁ 2 0 1 4 ▁shoot ings ▁at ▁Parliament ▁Hill , ▁Ott awa . ▁According ▁to ▁psych olog ists ▁and ▁psych iat rist s ▁who ▁study ▁radical ization , ▁j ih ad ▁propag anda ▁and ▁calls ▁to ▁kill ▁inf id els ▁can ▁push ▁ment ally ▁dist urbed ▁individuals ▁to ▁act , ▁even ▁in ▁the ▁absence ▁of ▁direct ▁or ▁personal ▁contact ▁with ▁radical ▁Islam ists . ▁ ▁Other ▁re actions ▁German ▁Minister ▁of ▁the ▁Inter ior ▁Thomas ▁de ▁Ma iz ière ▁condem ned ▁the ▁attack ▁as ▁" cow ard ly ▁and ▁out rage ous " ▁on ▁the ▁day ▁of ▁the ▁assault . ▁ ▁A ▁consp i racy ▁theory , ▁which ▁began ▁in ▁Italy ▁before ▁spread ing ▁to ▁Germany ▁and ▁then ▁to ▁the ▁English - spe aking ▁world , ▁pur port ed ▁that ▁Paul ▁H . ▁was ▁actually ▁named ▁Raf ik ▁Y ous sef ▁and ▁that ▁his ▁name ▁had ▁been ▁changed ▁as ▁part ▁of ▁a ▁cover -