A court has heard how a one-eyed fugitive lured unarmed police officers to him as he lay in wait, before shooting them and throwing a grenade at them.
Dale Cregan, who is 29-years-old, denies murdering PC Fiona Bone who grew up in Castle Donington, and PC Nicola Hughes in an attack in September last year.
They had been responding to a report of a burglary. Cregan also denies murdering a father and son months before the attack.
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The trial at Preston Crown Court continues.
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The 89-year-old was asleep when the men smashed through the patio doors. A second break-in was also reported in the area that evening.
A man of the same address has been charged with her murder.
Joel Richards was dropped at City Hospital on Sunday and later died. Five people have now been arrested.