Police say it started as an argument and ended with a man dead.
The shooting happened Tuesday morning in Sukey Fork in Pike County.
That's where police say Mary Peterson shot her husband Richard.
Only two hours after police say Mary Peterson shot her husband, she was in jail charged with his murder, and that's not all, she's also charged with possession of marijuana and other drug paraphernalia.
State police say Mary Peterson shot her 51 year old husband Richard once in the chest when they were arguing.
Officers haven't given a motive for the argument or the shooting.
The Pike County Coroner declared Richard Peterson dead at the scene.
Troopers found Mary at the scene and took her into custody.
She's lodged at the Pike County Jail.
Police haven't released any other details and no one with state police was available for an on camera interview, but we'll bring you the latest details as we get them.