Richard Densmore, a 47-year old Army veteran and member of the noxious criminal network known as 764, was sentenced to 30 years in federal prison on Thursday by a federal judge in Grand Rapids, Michigan.Densmore was arrested on federal charges in late January at a home in Kaleva, Michigan, where he lived with his grandmother. He pleaded guilty in July to one count of sexually exploiting a child.764 and its associated splinter groups have grown at a breakneck speed over the past four years. Since the network’s its creation by…