In a tragic case that has shocked the community of Chippewa Falls, Wisconsin, an 18-year-old man has been sentenced to life in prison for the murder of his 10-year-old cousin, Lily Peters. Carson T. Peters-Berger, who was just 14 at the time of the crime, pleaded guilty to first-degree intentional homicide on 26 August 2023, following the shocking disappearance and subsequent discovery of Lily’s body.
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Lily Peters went missing on the evening of 24 April 2022, while walking home from her aunt’s house. Her family reported her absence when she failed to return home, prompting an extensive search. Tragically, her remains were discovered the following day in wooded areas near the vicinity of her disappearance. The circumstances surrounding her death have haunted the local community and garnered national media attention.
During the investigation, Peters-Berger provided disturbing details about the events leading up to Lily’s death. According to the criminal complaint, he initially lured her into the woods under false pretences, with an intention to sexually assault her. Once isolated, he admitted to punching Lily and, after she fell to the ground, he struck her head multiple times and strangled her until he believed she was deceased. Heartbreakingly, he then proceeded to sexually assault her before becoming frightened and fleeing the scene.

Peters-Berger’s actions following the assault were equally chilling. After committing the heinous act, he returned to the location where he had left Lily’s body and attempted to conceal it by dragging her remains and covering them with leaves. These revelations further shocked the community, leaving many struggling to comprehend such brutality from a family member.

In the time leading up to the trial, Peters-Berger faced additional charges related to sexual assault. However, these charges were ultimately dismissed by the court but were included as read-in, allowing the judge to consider them during sentencing. The contested nature of these allegations added a complex layer to the legal proceedings surrounding this tragic case.
Lily Peters was remembered fondly by her family in an online obituary, where they painted a picture of a vibrant young girl who loved to play in the snow and ride her bike. A poignant poem she had written was shared, reflecting her wish for kindness, peace, and a world free of litter. The loss of such a young life has left a lasting impact on her family and the wider community, who continue to mourn the absence of a bright young spirit.
Upon receiving a life sentence, Peters-Berger will be eligible for extended supervision after serving 25 years in prison. The sentencing marks a significant moment in the case, but for Lily’s family and friends, the fight for justice comes with an immeasurable emotional toll. The community has rallied around Lily’s family, offering support during this difficult time, with many calling for broader conversations about violence and safety in society.
For those affected by sexual abuse or violence, resources are available for support and counselling. Individuals can reach out by texting “STRENGTH” to the Crisis Text Line at 741-741 to connect with a certified crisis counsellor. In the aftermath of such a tragic event, community healing and awareness are crucial as they strive to ensure such a devastating loss is not repeated.
The case serves as a reminder of the devastating consequences that can arise from violence and the importance of protecting the most vulnerable members of society. As Lily Peters is remembered, her story highlights the ongoing need for vigilance, compassion, and commitment to making the world a safer place for all children.
