Amok is a cultural syndrome or culture-bound syndrome and consists of a sudden and spontaneous explosion of wild rage, which causes the affected person to run crazily or armed and attack, injure or kill indiscriminately living beings that appear in its path, until the subject is immobilized or suicide.
Photographs circulating around the internet of Normandy terrorist Adel Kermiche show him as a fresh-faced fifteen year old Saint-Etienne-du-Rouvray local who according to a former school friend, enjoyed playing football and talking to girls.
His parents began to notice a change in him after the age of sixteen and flagged his radical behavior to authorities. He was arrested trying to go to Syria and was put under supervision upon his return.
So what caused Adel Kermiche to become radicalised? Extremist literature on the internet?
Or something more sinister closer to home?
Pope Francis made a historic visit on Friday to the notorious former Nazi concentration camp in Poland to pay tribute to the more than one million mostly Jewish people who lost their lives there during World War II.
Liebe Macht Frei (Love Makes You Free).