Former Avon Grove High student will spend 40 to 80 years behind bars By Kathleen Brady Shea, Managing Editor, The Times Graffiti often signals the presence of rival gangs who want to mark their territory, according to police. The seventh of 12 defendants charged in a 2011 Avondale double homicide fueled by gang rancor was sentenced Wednesday in Chester County Court. James L. Jones, 21, of West Grove,...