PORTLAND, Maine (AP) A Maine sheriff who sent a sexually explicit photo of himself in uniform is under investigation.

Oxford County Administrator Scott Cole tells WGME-TV that an investigation into Sheriff Wayne Gallant began earlier this month, but he won’t confirm what the investigation is about.

Gallant confirmed he sent the lewd photo from his office to a woman he didn’t want to identify. A spokesman for a union that represents deputy sheriffs also accused Gallant of making unwanted solicitations for sex from at least two of his employees.

Gallant has stepped down as the president of the Maine Sheriff’s Association. He’s still serving as the Oxford County sheriff.