An investigation into Westminster Bridge attacker, Khalid Masood - BBC Newsnight

A year ago a 52 year old British man - Khalid Masood - brought terror to the heart of Westminster. More than fifty people were injured - five were killed. This Newsnight investigation by Richard Watson and Maria Polachowska reports on who he was and how he was radicalised. Newsnight is the BBC's flagship news and current affairs TV programme - with analysis, debate, exclusives, and robust interviews. Website: https://www.bbc.co.uk/newsnight Twitter:   / bbcnewsnight   Facebook:   / bbcnewsnight