Overview

• The ITV1 and ITVX documentary series returns on Tuesday 21 October at 9pm, with an episode focused on the Cosser family and the social media response to the case.
• Charlie Cosser, 17, was stabbed at a West Sussex party on 23 June 2023; Yura Varybus was convicted of murder and given life with a 16‑year minimum, and judges lifted reporting restrictions on his identity after conviction.
• Martin Cosser’s posts on TikTok under @CharlieCosser17 chronicled his grief, with his reaction to the conviction viewed about 4.7 million times.
• The programme recounts key trial elements, including Varybus changing an initial guilty plea to not guilty, eyewitness evidence, alleged attempts to destroy or tamper with evidence, and the fact the knife was not recovered.
• Charlie’s parents have launched the charity Charlie’s Promise to raise awareness of the dangers of carrying and using knives.