Heather Sterling poses for a portrait during a hike, Aug....

Heather Sterling poses for a portrait during a hike, Aug. 11, 2025, near Daniel, Wyo. Credit: AP/AMBER BAESLER

Heather Sterling stepped into the ring at the Texas Game Warden Training Center, ready to face an ambush by instructors acting as violent assailants.

The four-on-one drill is a rite of passage for those training to be game wardens, sworn officers who enforce state conservation laws. Nationwide, thousands of local and state police recruits are allowed into the profession only after passing similar drills – simulated fights for their lives.

The barrage of force against Sterling came rapidly, video obtained by The Associated Press shows. A surprise push from behind threw her to the floor. A right-handed punch to the back of the head knocked her down. Within two minutes, she was struck at least seven times in the head, the last blow knocking off her wrestling helmet.

“Protect yourself!” an instructor yelled.

Sterling completed the drill but suffered a concussion. A dozen of her classmates — a third in all — were injured that day as they were repeatedly punched, tackled on a gym floor and thrown against padded walls, records show.

While the drill was physically punishing, their experience was not unique. Since 2005, similar drills at law enforcement academies nationwide have been linked to at least a dozen deaths and hundreds of injuries, some resulting in disability, an AP investigation has found.

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In this still image from video obtained by The Associated...

In this still image from video obtained by The Associated Press, Heather Sterling is hit in the head by one of her instructors, who is acting as a violent assailant, during a four-on-one training drill, Dec. 13, 2024, at the Texas Game Warden Training Center in Hamilton, Texas. Credit: AP/Uncredited

Editor’s note: This is the third installment of AP’s Dying to Serve series. Find the previous stories here and here.

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