A Bothell High School teacher told police he faked a violent attack because he was under a mountain of debt.
KIRO 7 News obtained a recording of the interview between Cal Pygott and police, nearly a week after leaders announced the teacher made the story up.
In May, a teacher found Pygott bleeding with a zip tie around his neck. A note nearby read, "This man is not god."
Bothell police locked down the school and opened an investigation, which kept turning up inconsistencies in Pygott's statement.
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According to the recorded interview obtained by KIRO 7 News, Pygott thought he was going to Bothell Police Department to go over timeline details. He was asked to take a polygraph during his visit.
>> WATCH: RAW VIDEO: Bothell teacher talks to KIRO 7 News
After more than hour of back-and-forth with police, Pygott finally admitted he tied the zip tie around his neck and hurt himself with a hammer. Pygott said he did it because he was in debt.
Prosecutors are considering whether to charge Pygott.