Security expert Will Geddes says that the public shouldn't be too alarmed by the fact that a known terror suspect has entered the Olympic Park.
Instead, he says we should take comfort from the fact that the security services were able to track his movements.
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Oliver Dearlove died 24 hours after receiving the fatal blow outside Morden's wine bar in Blackheath last summer.
She was found in Tadworth in Surrey and is so young the RSPCA can't work out what breed she is.
Unemployed plasterer Trevor Timon had been cleared of Oliver Dearlove's murder but admitted manslaughter.