Mehmet Ali Agca, who attempted to kill Pope John Paul II in 1981, has been freed from prison 2014

Mehmet Ali Agca, who attempted to kill Pope John Paul II in 1981, has been freed from prison

In rambling letters from prison, he has fed suggestions he is mentally disturbed, asking also to team up with author Dan Brown for a novel called The Vatican's Code and volunteering to go to Afghanistan to kill Al-Qaeda leader Osama bin Laden