SINCE being aired, the documentary has attracted worldwide attention.

It explores the step-brothers normal upbringing in Dorset after their parents married in 1992 and the mystery around Richard’s reasons for turning to the extreme band of religion.

In the documentary, Robb travelled from Weymouth to London to meet Richard who now lives in East London.

Richard was seen to be dressed in an Islamic robe and sporting a well-developed beard.

On film Richard talked about Sharia law, hell-fire and how the majority of Muslims were misled.

My Brother the Islamist can still be seen on BBC iPlayer.