Ex-commando Christopher Berry-Dee, 76, believes Dennehy, 41, who knifed three men to death in Peterborough in a murderous rampage in 2013, is pure evil .
Christopher Berry-Dee analysed Joanna Dennehy's murderous spree after she knifed three men to death in Peterborough and tried to kill two more in Hereford, calling her "pure evil"
Rose West was first arrested 30 years ago today, on February 25, 1994. The twisted serial killer was jailed for life in 1995, and is now reportedly living a 'middle class' life behind bars
The Black Widow: Joanna Dennehy (Season 7 Episode 3 of 6): The crimes of Peterborough serial killer Joanna Dennehy. Crimes That Shook Britain airs on Crime + Investigation HD at 4:00 PM, Monday 19 February. The crimes of Peterborough serial killer Joanna Dennehy