Four men who were convicted of murdering NBA star Chris Paul’s grandfather 17 years ago are claiming their innocence, according to documents filed in Forsyth Superior Court. Nathaniel Arnold Cauthen, 33; and his brother, Rayshawn Denard Banner, 31, and two other men, Christopher Levon Bryant, 33, and Jermal Tolliver, 32, have all filed claims with the N.C. Innocence Inquiry Commission, court papers said.