Man charged with manslaughter in deadly assault Phillip Alden, 23, admitted to detectives that he drove his knee into the victim’s head and punched him in the face. (Source: Boone County Sheriff's Office) By Maggy Mcdonel | February 27, 2021 at 9:23 PM EST - Updated February 27 at 9:23 PM BOONE COUNTY, Ky. (FOX19) - A man has been charged with manslaughter in the death of a man who was found dead in his front yard Friday morning. According to the Boone County Sheriff’s Office, David Gregory, 43, was found dead around 8:30 a.m. in the front yard of his home in the 10000 block of Bruce Drive.