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"
Inside Low Newton: The high security prison which could house Lucy Letby itv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from itv.com Daily Mail and Mail on Sunday newspapers.
Where Is Serial Killer Joanna Dennehy s Daughter Now? oxygen.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from oxygen.com Daily Mail and Mail on Sunday newspapers.