A Sharpsburg, Pennsylvania woman was floored and angered to find her boyfriend in the act of having sex with her dog. The unnamed woman attacked 51-year-old Matthew Ziolkowski before calling 911 Thursday morning.

Police responded just after 9 a.m. and took him into custody.

He’s been charged with sexual intercourse with an animal and animal cruelty, and now resides in the Allegheny County Jail on a $500,000 bond.

Police have stressed that the investigation is ongoing.

The breed and condition of the dog is unknown at this time.