Cabinet Ministers will today consider law changes following Friday's terror attack, but some MPs are warning against any knee jerk reactions.
Ahamed Aathill Mohamed Samsudeen was shot dead by police on Friday after stabbing six people inside Countdown LynnMall - a seventh person was also injured.
At the weekend it was revealed that the Government spent years trying to deport the man and wants to plug any gaps in the law.
The Government is also speeding up its planned anti-terrorism law changes.
Here's political reporter Charlie Dreaver.