Breaking Points Author:Jack Hinckley, Jo Ann Hinckley, Elizabeth Sherrill "I held my breath until they gave the gunman's name. I was afraid it was my son." This letter and others like it from anxious parents reached Jack and Jo Ann Hinckley after their son John shot President Reagan and three other men in 1981. — Ironically, the Hinckleys had no such fears. They had never recognized the danger signs in Jo... more »hn's "typical" childhood.« less