A 46 year old Johnstown woman is facing felony charges after she allegedly threatened a man with a gun. Reportedly, Denise Walker and a man got into a physical altercation at a home along Parkhill Drive, on the night of January 7th. Authorities say she got into an argument with 31 year old Bobby Griffin of Johnstown, over who she was talking to on the phone. Griffin told authorities that Walker pulled a gun on him and threatened to blow his head off. Both were taken into custody. Walker is facing felony charges of aggravated assault and various other charges. Griffin is facing misdemeanor charges of simple assault. Both are out on bail and each has a preliminary hearing scheduled for March 11th.