How religious are so-called ‘Islamic terrorists’?

“Islam has a problem”, that’s the often repeated phrase following attacks carried out by those who claim to be doing so in the name of religion.

A look at some of the attackers, however, shows that many may actually not have been motivated by religion at all.

In this week’s Reality Check, Mehdi Hasan challenges the common view that ISIL and al-Qaeda attackers are devout Muslims.