mr. benton asked their daughter to get out of the car , she said .
the girl into a tree while her mother tried .
on their way to the other child 's home on schenley manor drive , benton pulled over to snap a picture .
pittsburgh police said richard benton , 53 , of wilkinsburg did not heed ms. harris ' advice .
mr. benton , who was by megan harris and margaret harding carla harris saw blood on her daughter 's blue jacket before paramedics arrived , and she knew shamera was dead .
when ms. harris , 52 , of east liberty returned home , she said mr. benton , who she did not realize had been drinking , volunteered to drive .
" ms. harris said she tried to stop the car but could not . "
benton was “ messing around with the gear shifter ” just before shamera stepped out of the car , police said harris told them .
carla harris said benton “ seemed normal ” when he dropped by late sunday and offered to pick up shamera and a friend from the waterworks mall .