From a longer article on a current UK terrorism trial; which covers other points, notably being self-radicalised:
Police were called to their marital home in Foster Street, Oldham, but as officers dealt with the domestic dispute and with Shasta still upset and worked up, a "wholly unexpected turn of events occurred", Miss Cheema said.

"A member of her family, one of her brothers, told the police, in Shasta Khan's presence, 'We have something that I think might be interesting to you, I think he's a home-grown terrorist'."

The wife then took the opportunity to "spill the beans" and cause "serious trouble" for her husband - but left out her own alleged involvement in any terror offences.
Link:http://www.asianimage.co.uk/news/977...rror_offences/

It's a classic, imagine the attending officer calling back "Can I have the CT police here".