CHEHALIS, Wash — In the predawn hours one morning in April 2024, a guard at Washington's most secure juvenile detention facility unlocked a cell door, allowing a young double-murder convict to slip through the darkened hallways to meet another staff member in a linen closet.

What happened next — captured on a contraband cellphone — has exposed troubling lapses in security and supervision at Green Hill School, the state's only maximum-security lockup for male offenders ages 17 to 25. The incident was not isolated.

Court records and state documents, reported for the first time by KING 5, reveal that at least two employees engaged in sexual relationships with inmates, recording their encounters on video. The cases have raised urgent questions about oversight and institutional culture at a

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