Officials scoured Arkansas' rugged Ozark Mountains for a former police chief and convicted killer who escaped from prison over the weekend.

Grant Hardin, who briefly served as police chief for the small town of Gateway, near the Arkansas-Missouri border, was serving a decadeslong sentence for murder and rape.

Known as the "Devil in the Ozarks," he escaped Sunday from the North Central Unit, a medium-security prison in Calico Rock.

Hardin's escape happened days after 10 men fled a New Orleans jail by going through a hole behind a toilet. Eight of those fugitives have since been captured .

Here's what to know about Hardin and his escape:

How did he escape?

Hardin escaped from the prison Sunday afternoon by impersonating a corrections officer "in dress and manner," according

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