The man, who has not yet been named, turned up at MI5 s headquarters in London in August, the Sun reports. He was allegedly moved on by security personnel after demanding to be let in.
The heartbroken families of the students killed in the Nottingham atrocity broke down at a moving vigil where they gave an extraordinary message of hope.
David and Emma Webber sported shades as they visited Nottingham University and read through tributes left for Barnaby and his friend Grace O Malley-Kumar.
Sarah Ferguson says her heart goes out to the people of Nottingham dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.