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Who Killed Rachel Nickell as Netflix The Witness Ending Explained
The documentary and three-part drama revisit the flawed investigation that wrongly targeted Colin Stagg before DNA linked Robert Napper to the killing.
On Thursday, June 4, 2026, Netflix released the drama series 'The Witness' and the documentary 'The Murder of Rachel Nickell', both chronicling the 1992 killing of Rachel Nickell and its devastating impact on her young son, Alex Hanscombe.
The 1992 murder on Wimbledon Common, witnessed by Nickell's 2-year-old son, triggered a flawed investigation where police wrongly charged Colin Stagg using 'honeytrapping' methods; a judge threw out the case in 1994.
Advanced DNA analysis in 2002 eventually linked convicted murderer Robert Napper to the crime, leading to his 2008 conviction. An Independent Police Complaints Commission report subsequently catalogued significant police errors that enabled prior attacks.
Andre Hanscombe and son Alex consulted on both productions to share their perspective after years in Spain escaping intense media scrutiny. Their involvement aims to foster police reform and reclaim their family's narrative.
Drawing on Alex's 2015 memoir 'Letting Go', the projects highlight the family's resilience while DNA techniques developed for this investigation subsequently solved multiple other cases.