Slater Slater Schulman LLP

Timberline Knolls Abuse Lawsuit (Lemont, Illinois)

Timberline Knolls was a residential treatment center in Lemont, Illinois (operated under Acadia Healthcare) serving women and adolescent girls. It closed effective February 13, 2025 amid abuse allegations and scrutiny.

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What Happened

Acadia closed Timberline Knolls effective February 13, 2025.1 Abuse allegations at the facility date to 2018, when a counselor was accused of sexually assaulting patients and later faced dozens of criminal charges; according to a New York Times investigation, the former counselor later pleaded guilty to sexually abusing patients.234 A 2024 lawsuit alleged a staff member sexually assaulted and raped a patient on multiple occasions.5

About Timberline Knolls

Timberline Knolls was a residential treatment center in Lemont, Illinois operated under Acadia Healthcare, serving women and adolescent girls.

Who Can File a Claim

You may be able to pursue a claim if, as a minor, you experienced sexual abuse while a patient at this facility.

Time Limits

Time limits can apply to these claims. The sooner you reach out, the more we may be able to do — and speaking with us is free and confidential.

How We Help

We investigate confidentially, obtain records, and guide you through every step. There is no cost to speak with us, and no fee unless we win.

Why Slater Slater Schulman

For decades, our firm has represented survivors of institutional abuse.

Who We Are

Slater Slater Schulman LLP is a prominent full-service law firm with over 40 years of experience representing survivors of catastrophic and traumatic events, including litigating against the Boy Scouts, clergy, medical professionals, and members of the justice system.

The attorneys at Slater Slater Schulman LLP take a personal approach to representation. We are here to ensure that survivors have the opportunity to confront their past with the full support of our large legal team.

We are honored to have represented more than 3,500 survivors in the historic $4 billion settlement with Los Angeles County—the largest of its kind in history.

Slater Slater Schulman LLP legal team
3,500+
Survivors Represented

Frequently Asked Questions

Sources

Every factual claim on this page is cited to the listed source. Links open the original document; access dates reflect our most recent verification.

  1. 1.CBS News Chicago report on the closure of Timberline Knolls (effective February 13, 2025) — CBS News Chicago, 2025 (accessed June 9, 2026) ↩
  2. 2.CBS News Chicago report on the 2018 allegations against a Timberline Knolls counselor — CBS News Chicago, 2018 (accessed June 9, 2026) ↩
  3. 3.WGN-TV report: 62 felony charges against former Timberline Knolls counselor — WGN-TV, March 6, 2019 (accessed June 9, 2026) ↩
  4. 4.New York Times investigation of Timberline Knolls (Silver-Greenberg & Thomas) — The New York Times, April 22, 2025 (accessed June 9, 2026) ↩
  5. 5.Behavioral Health Business report on the August 2024 lawsuit and scrutiny of the shuttered facility — Behavioral Health Business, April 22, 2025 (accessed June 9, 2026) ↩

Attorney Advertising. Acadia denies the allegations, which have not all been proven in court.