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A man accused of murdering his girlfriend says he didn't do it.

Benson O'Brien III pleaded not guilty in a Covington courtroom Tuesday.

He's facing a second-degree murder charge for the strangulation of Bridgette Harveston last month.

A judge also reduced O'Brien's bond from $1.25 million $300,000.

But if he bonds out of jail, he must stay in home confinement and cannot contact Harveston's family --- including his own son with Harveston.

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