NEW : Funeral for David Harris will be Saturday in Alabama ; family ca n't attend . Source says police seized computers from father 's car after startling Web sites . It 's unclear who conducted online searches on animal deaths in hot cars , source says . The father was left in a hot car , strapped to his seat in suburban Alabama last week .
NEW : Funeral for Cooper Harris will be Saturday in Alabama ; father ca n't attend . Source says police seized computers from father 's office after startling Web discovery . It 's unclear who conducted online searches on animal deaths in hot cars , source says . The boy was left in a hot car , strapped to his seat in suburban Atlanta last week .