Key Highlights
- Martin Cosser shares his son Charlie’s tragic murder story on TikTok.
- The case was featured in an ITV documentary titled “Murder Gone Viral.”
- Charlie, 17, was killed during a party confrontation in July 2023.
- Martin Cosser advocates for greater awareness about knife crime and youth violence.
The Heartbreaking Tragedy of Charlie Cosser’s Murder
In a deeply emotional moment that moved millions, Martin Cosser took to TikTok on November 3, 2025, sharing the guilty verdict for his son Charlie’s murderer. The case had gained significant attention and was featured in an ITV documentary titled “Murder Gone Viral,” which aired on October 21, 2025.
Charlie Cosser, a promising 17-year-old from Warnham, West Sussex, was tragically killed during a party confrontation. The incident occurred in July 2023 and quickly drew widespread attention due to the circumstances surrounding Charlie’s fatal stabbing by 16-year-old Yura Varybrus.
Documentary Exposes Emotional Turmoil
The ITV documentary “Murder Gone Viral” delves into both the tragic incident and the emotional turmoil that has affected the Cosser family. The film explores how Charlie’s loved ones, including his sister Eloise, recall witnessing her brother’s last moments. Eloise described the overwhelming despair she felt as she held her dying brother.
Martin Cosser, who has embraced a role as an advocate for greater awareness about knife crime, shares his story through social media platforms to honor Charlie’s memory. He mentions the emotional weight of sharing his experience but views these engagements as fulfilling because they help in preventing others from enduring similar pain.
Advocacy and Community Impact
Since the documentary aired, Martin has received requests from over 160 schools wanting him to speak about knife crime. His tireless efforts aim to save lives by raising awareness and encouraging discussions about emotional vulnerability among young men. Despite his successes, he acknowledges that broader issues of youth violence continue to plague communities.
“You can save a life with just a conversation,” Martin emphasizes, highlighting the importance of addressing topics related to violence and emotional openness in youth culture. “Knife crime is real, even in idyllic, leafy Surrey,” he concludes, underscoring the pervasive challenge faced by many communities today.
Systemic Change and Community Awareness
The documentary serves as a vital call to action for systemic change and community awareness. It not only honors Charlie’s memory but also underscores the need for greater vigilance in preventing similar tragedies. The case of Yura Varybrus, who received a life sentence with a minimum of 16 years before parole, has been a source of frustration for Martin Cosser.
He believes that many more individuals contributed to the circumstances leading to Charlie’s death but have not been held accountable.
His advocacy work continues as he travels across the country delivering lectures about the dangers of knife crime and promoting community awareness.
The documentary is a poignant reminder of the devastating impact of youth violence and the need for robust measures to address such issues. It serves as both a tribute to Charlie Cosser and a call to action for those who wish to make a difference in their communities.