David Tennant on becoming serial killer Dennis Nilsen

Dennis Nilsen was one of Britain's most notorious serial killers. David Tennant explains why he played him in a new TV drama as "boring". The main mystery in any TV drama about a murder - or murders - is usually whodunit. If not, it's howdunit. Those two questions are cleared up early in the first episode of ITV's Des, which takes its title from the nickname for Dennis Nilsen, who killed at least 15 young men in the late 1970s and early '80s.
Read more: https://www.bbc.co.uk/news/entertainment-arts-54025946?source=Snapzu