Mary Schaab loses second child after son Michael, 25, is randomly shot in Pittsburgh hospital
By Daily Mail Reporter Published: 09:28 EST, 10 March 2012 | Updated: 10:06 EST, 10 March 2012 10 View comments Mary Schaab's only daughter was fatally shot 17 months ago, so she understood the horror and pain of losing a child, even before a Pennsylvania state trooper knocked at her door late Thursday to tell