According to court documents released on Tuesday in Colorado, Ebel had followed the conditions of his parole without incident since his release in January, checking in by phone every day and even once calling parole officials because no-one had requested a weekly drug test.

BBC: Suspect in prison chief murder slipped parole monitoring

According to researchers, the percentage of favorable rulings in parole hearings starts out at its highest early in the morning, and then steadily declines as the day wears on.

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