The Springfield Police Department says an officer charged with shooting an unarmed panhandler has resigned.

The Springfield News-Leader reports that Jason Shuck resigned Thursday.

Shuck told authorities he accidentally shot 27-year-old Eric Butts with a gun instead of a Taser on May 9. Butts was hit in the lower back and suffered serious intestinal injuries that require him to use a colostomy bag.

Shuck faces up to a year in jail if convicted of a misdemeanor charge of third-degree assault.

The department awarded Shuck a meritorious service award last year.

A message seeking comment was left with Shuck's attorney Thursday.