The Cook County Medical Examiner’s Office has ruled the deaths of two prominent attorneys as homicides.Leslie Ann Jones, 67, and her husband, Thomas E. Johnson, 69 were stabbed to death in their Oak Park home Monday night.A statement from the medical examiner’s office confirmed the cause of death as “multiple sharp force injuries.”The deaths of Jones and Johnson, who were known for their dedication to social justice causes, is viewed by several colleagues and friends as a devastating loss to the …