Investigators in Frederick County are still gathering information surrounding a deadly police-involved shooting. According to the Frederick County Sheriff’s Office, the man was accused of stabbing his father to death and critically injuring his mother early Tuesday morning. That’s when his sister called police for help and deputies found the armed suspect in the neighborhood before they shot the man. Three deputies are now on administrative leave, but they were not wearing body cameras. More information is expected to be released in the coming days.