Prof charged in Alabama deaths initially suspected in '90s mail bomb attempt , newspaper says . Professor charged with capital murder in shootings at University of Alabama at Alabama . Professor 's husband says they received ATF letter on '93 case that ` `` In 1986 , Amy Bishop Anderson `` In 1986 , Amy Bishop Anderson , then a dozen , fatally shot brother ; case ruled accidental .
Prof charged in Alabama deaths initially suspected in '93 mail bomb attempt , newspaper says . Professor charged with capital murder in shootings at University of Alabama at Huntsville . Professor 's husband says they received ATF letter on '90s case that `` 'You are in the clear ' `` In 1986 , Amy Bishop Anderson , then 19 , fatally shot brother ; case ruled accidental .