Ex-Markham Police Officer Tony D. DeBois admits lying to FBI about sex at police station

PHOTO LEFT: Tony "DeBonner" DeBois

Everyone agrees Markham’s former deputy police chief Tony DeBois liked to have sex inside his police station.

Everyone agrees that one of the women he had sex with there was his fiance.

And everyone agrees that he lied when he told the FBI she was the only woman he had sex with at work.

After that, things get a little complicated.

A highly unusual plea deal reached Thursday between DeBois and prosecutors in federal court left unresolved who a second woman DeBois now admits he had sex with in his south suburban office was, whether the sex was consensual, and why DeBois lied about it.

A shame-faced DeBois — who pleaded guilty Thursday to obstructing justice by lying to the FBI in an interview last year — says the second woman was a girlfriend he cheated on his fiance with, and that he lied about it to save his relationship.

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