Joanna Dennehy is a British serial killer who murdered three men in Peterborough, Cambridgeshire, England, in 2013. She is one of only four women in the United Kingdom to have been sentenced to a whole-life order, meaning she will never be released from prison. Early life and criminal history Joanna Dennehy was born in St Albans, Hertfordshire, England, on August 4, 1982. She had a troubled...