Full Breakdown
Lily Peters Murder: Cousin Pleads Guilty, Receives Life Sentence
8/27/2026, 2:08:33 AM
Core Event – Guilty Plea and Life Sentence
In late August 2026, Carson Peters-Berger, now 18, entered a guilty plea to first-degree intentional homicide for the 2022 killing of his 10-year-old cousin, Lily Peters, in Chippewa Falls, Wisconsin. Chippewa County Circuit Judge Steven Gibbs accepted the plea and imposed a life-in-prison sentence with eligibility for extended supervision after 25 years. Under the agreement, two sexual-assault counts were dismissed but read-in for sentencing. Peters-Berger was ordered to pay more than $33,000 in restitution.
Background & Context
Lily Peters vanished on the evening of April 24, 2022 while riding her bicycle home from her aunt’s house. Her bike was found the next day near a wooded trail, and volunteers discovered her body on April 25. An autopsy confirmed blunt-force trauma, strangulation, and sexual assault. Peters-Berger, then 14, was arrested on April 26 and charged as an adult. He initially pleaded not guilty in December 2024; a trial slated for November 2026 was cancelled on August 5, 2026, leading to the guilty plea.
Timeline
- April 24, 2022 – Lily reported missing.
- April 25, 2022 – Body recovered.
- April 26, 2022 – Peters-Berger arrested.
- August 5, 2026 – Prosecutors announced trial cancellation.
- Late August 2026 – Guilty plea and life sentence.
Key Figures & Groups
- Carson Peters-Berger – 18-year-old cousin of the victim; pleaded guilty.
- Lily Peters – 10-year-old victim.
- Judge Steven Gibbs – Accepted the plea and imposed the sentence.
- Wade Newell – Chippewa County District Attorney who prosecuted the case.
- Chippewa Falls Police Department – Conducted the investigation.
Data & Statistics
- Victim age: 10.
- Perpetrator age at time of crime: 14.
- Sentence: life imprisonment, with eligibility for extended supervision after 25 years.
- Restitution: > $33,000.
- Time served before sentencing: about four years and four months.
Official Statements & Responses
Judge Gibbs rejected the defense’s request to transfer the case to juvenile court, stating the offenses required adult-court proceedings. The defense argued Peters-Berger needed specialized mental-health treatment unavailable in the adult system; the court declined.
Verbatim Quote
- “Based upon the harm caused and the nature and degree of the criminal conduct, a sentence of life in prison is warranted.” — Wade Newell, county district attorney
Why It Matters
The case prompted Wisconsin lawmakers to adopt a “Missing Child Alert” system in 2024, expanding in 2025 to cover children up to 12 years old and improving response to missing-child incidents.
Conflicting Reports & Gaps
All sources consistently report the timeline, charges, plea, and sentencing. No substantive discrepancies were identified.
