sheriff 's deputies said that 54-year-old larry mcelroy fired his 9 mm pistol at the animal on sunday night when he saw the vermin in his leesburg backyard .
while one bullet killed the armadillo , deputies say another bounced off the armored animal , hit a fence , traveled through the back door of the mother-in-law 's mobile home .
accident : larry mcelroy shot carol johnson on sunday night after he tried to kill an armadillo in his backyard .