article_snippet: Triple killer Ian McLoughlin, pictured, stabbed to death Graham Buck, 66, while allowed out of prison on day release .
article_snippet: Ian McLoughlin stabbed to death Graham Buck, 66, while allowed out from HMP Springhill in Buckinghamshire, where Ian McLoughlin was serving a 25-year jail term for killing two men Ian McLoughlin believed were paedophiles.
article_snippet: Mr Buck heard Mr Buck neighbour's screams and went to investigate what was happening, but was dragged inside by McLoughlin, who slashed Mr Buck throat.
article_snippet: Graham Buck heard Ian McLoughlin   neighbour's screams and was dragged inside by McLoughlin, who slashed Graham Buck throat .
article_snippet: Ian McLoughlin   killed Mr Buck at the home of Francis Cory-Wright in the Hertfordshire village of Little Gaddesden, near Berkhamsted.
highlights_snippet: Ian McLoughlin murdered Graham Buck, 66, while out from HMP Springhill .
  
highlights_snippet: Graham Buck heard screams from neighbour and was stabbed in the neck .
  