D.A.: Decision justified by defendant’s history of violence against victim  By Kathleen Brady Shea, Managing Editor, The Times Gregory A. Twyman, 44, of East Fallowfield Township, will face the death penalty for the murder of Jamica M. Woods, 37, says Chester County District Attorney Tom Hogan Calling the homicide of an East Fallowfield mother “a cold-blooded execution,” Chester County District...