An Ohio woman was arrested Friday for DWI--driving while injecting.

A Dayton Police Department officer was driving Friday afternoon when he pulled up next to a vehicle being driven by 25-year-old Abby Elsner.

As detailed in a police report, the cop noticed that Elsner--who had her arms in the air--was sticking herself with a needle. While doing this, she was steering the 2003 Honda Civic with her knees.

“I observed she was holding her right forearm in plain view where there was a hypodermic syringe needle sticking out of her arm,” reported Officer Mark Orick. “With her left hand, she was manipulating the needle into her forearm.”

Upon realizing that Orick was watching her shoot up, Elsner allegedly removed the needle from her arm and tossed it towards her passenger, 36-year-old Shawn Abby (after pulling the car over, the cop spotted Abby stashing the needle in her waistband).

When a subsequent search of the car turned up heroin and drug paraphernalia, Elsner and Abby were arrested for narcotics possession.

Pictured in the above mug shot, Elsner is currently being held in the Montgomery County lockup in connection with the September 21 drive-by shooting.