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A new documentary starts tonight (Tuesday March 26) on BBC Four about the hunt and eventual capture of Peter Sutcliffe, The Yorkshire Ripper. Here's everything you need to know about the first episode.

When is it on television? BBC Four, 9pm on Tuesday, March 26, Wednesday March 27 and Thursday March 28.

What is it about? The Yorkshire Ripper Files: A Very British Crime Story poses a timely question: did 1970s attitudes to women influence the investigation with tragic consequences, derailing the police investigation and leaving the murderer free to kill again and again?

Everything you need to know about Episode one of The Yorkshire Ripper Files: A Very British Crime Story