A High Falls man faces sodomy and incest charges for allegedly sexually assaulting a grandchild over a four year period. James Keith Buchanan, 66, of High Falls was arrested on March 26 and charged with cruelty to children, 1st degree-maliciously causing excessive pain, sodomy, aggravated child molestation and incest. Inv. Marilynne Fritts took out warrants accusing Buchanan of abusing a grandchild between 2013-17 at his Hayes Drive home. Warrants accuse Buchanan of committing indecent and immoral sexual acts against the grandchild, who was a minor at the time.