The BBC has learnt that he had been referred to an anti-extremist programme before his arrest.
It is not known who made the referral and when - or how serious the concerns were.
Sources did not name the flagship Prevent programme, but it is thought that this is the mostly likely case as the referral for help was at local authority level.
Our President asked about Scotland Yard and doing their job...seems he was correct again. May tried to point to our President instead of their failed policy over there.