HAMMOND | A mother grieved as her second son was gunned down in less than a month, this time an engineering student at Vincennes University who was home on winter break. Hammond authorities are investigating the shooting death of 19-year-old Donnovan Williams, a Highland resident who had been the first in his family to go to college but ended up the first victim of homicide in Northwest Indiana this year. Early on New Year's Day, Williams was shot at 1235 Wilson Place in Hammond, and later died at Community Hospital in Munster. The recent graduate of Morton High School in...