World's Most Dangerous Prisoners: Season 1, Episode 3

1 - 3: Dennehy

Exploring the life and convictions of Joanne Dennehy. After serving a short sentence in Peterborough prison, she committed a frenzied knife attack on a man she lured back to her apartment with the promise of sex. Whilst on the run from police, Dennehy proceeded to violently stab and murder two more men over the next 10 days, before stabbing two men out walking their dogs.