The British Women Supporters Unveiled was shown on Channel 4 this evening. It uncovered extremist ideology being spread both online and in person to women and 'impressionable young girls', often in front of very young children.

The investigation was brought to a close a month before the terrorist attacks in Paris when one of the female ISIS supporters became suspicious of an undercover reporter.

The trio identify themselves as Umm Saalihah, Umm L and Umm Usmaan on Twitter. Two operate in positions of authority within their circles and lecture women in secretive study sessions, the programme makers said.

All three were tracked down after promoting pro-ISIS ideology on social media platforms.

An undercover reporter was able to meet them after extensive direct messaging on Twitter and by making contacts at a demonstration outside Regents Park Mosque.

She is seen coming face-to-face with the British ISIS supporters at an Islamic roadshow on Lewisham High Street in London.

In one study session in East London, Umm L is heard saying that what the government calls extremism is simply being a good Muslim!

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