Over six months Usman Raja gave CNN exclusive access to his pioneering work with The Unity Initiative; speaking for the first time about his work with former terrorists.
Cagefighter's path to anti-terror inspiration
The Unity Initiative is also behind what UK officials say is the most successful effort they have seen to de-radicalize some of the most hardline Islamist extremists being released from UK jails, including around a dozen convicted terrorists who recently completed their prison sentences.
A cagefighter's success fighting terror
Veteran cagefighter Usman Raja has so far worked to deradicalize 10 convicted terrorists after they completed their prison terms in the UK.
Convicted terrorist calmed by cagefighting
Since 9/11 around 250 Islamist extremists have been imprisoned in the UK after being convicted of terrorism-related charges.