A Tennessee woman is accused of "slightly scratching" lottery tickets at the convenience store when she worked and then selling them to unsuspecting customers, WATE reported.

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Delany Ann Schaffer, 27, allegedly tampered with the bonus box on lottery tickets at the Ken Jo Market in Powell and then placed them back into the display case, the Knoxville News Sentinel reported. She kept the winning tickets, the newspaper reported, citing an arrest warrant.

Schaffer was arrested Thursday and is being held at the Roger D. Wilson Detention Facility in lieu of $10,000 bond, the newspaper reported.

A Tennessee Lottery inspector said he received a tip from a customer who bought tickets and noticed they had been tampered with, WATE reported.

Surveillance video from the store confirmed Schaffer tampered with tickets several times, WATE reported. The ticket scratching took place from Dec. 31 to Jan. 3, the News Sentinel reported.

Tampering with lottery tickets is a Class C felony in Tennessee. If convicted, Schaffer could be sent to prison up to 15 years and could be fined up to $100,000, the newspaper reported.