Iranian intelligence services are suspected of actively recruiting in the UK, using AI and social networks to entice potential sign-ups.
Sky News has uncovered evidence of how apparent Iranian networks are using the chat platform Telegram to target recruits.
It follows an increase in attacks on Jewish communities across the UK – with authorities suggesting that some perpetrators may have been taking orders from Tehran.
But why might petty crooks or youngsters be tempted to become involved? How worried should we be about their activities? And what level of threat does Iran pose here in the UK?
Niall is joined by Sky New’s Home Editor Jason Farrell, whose producer infiltrated a suspected Iranian intelligence account.
Have you got a question for Niall? Email the show: why@sky.uk