French attack suspect: Lone wolf Islamist or 'guy who flipped?'
The suspected killer had ties in the past to a radical Islamist figure, though also had a history of anger problems.
French police escort Yassin Salhi (C), a man suspected of decapitating his boss in an attack on a gas factory, as they leave his flat in Saint-Priest on June 28, 2015(photo credit: PHILIPPE DESMAZES / AFP)ByREUTERS