This was a recent talk given by John Sutherland at the TEDx London event.

Taken from TEDx Talks on www.youtube.com

John talks about his career in London’s Metropolitan Police and his experience of depression. He reveals how a principle of forensic investigation, that every contact leaves a trance, applies to all our lives and relationships.

John Sutherland is a father of three, who lives with his wife and children in south London. For the best part of twenty-five years, he has served as a Metropolitan Police officer. For the past three years, he has been writing a blog about policing and he has now finished his first book, ‘Blue: A Memoir’.