UPPER CHICHESTER >> A 64-year-old Chester man has been charged with criminal homicide and related crimes for the Oct. 12 stabbing death of Eric Potts inside a car outside his Broadway Street home.Nathaniel Powell, of the 400 block of East 19th Street, is also charged with murder in the first and third degree, and possessing instruments of crime, according to an affidavit of probable cause for his arrest written by county Detective Vincent J.