A report on an Islamic extremist group in Cardiff which may be radicalising young Muslims in the city.
Share this with
See all episodes from Week In Week Out
See all broadcasts of Undercover: Islamic Extremists (1)
Presenter Tim Rogers meets Zac Smith three years after he had weight loss surgery.
Presenter Tim Rogers on the state of our NHS in Wales.
Presenter Tim Rogers on what drives young men to radicalisation.
Merrill Matthews reflects on his return to Wales and the impact of welfare reforms.