Cooper died on 1998 ; his death was consistent with hyperthermia or overheating . Police have charged his father , Cooper , with murder . Georgia mom also searched Internet on child deaths . Court documents state Cooper Harris researched child deaths in cars . Harris spoke to the crowd at Harris 's funeral , via speakerphone .
Cooper died on 1998 ; his death was consistent with hyperthermia or overheating . Police have charged his father , Cooper , with murder . Court documents state Cooper Harris researched child deaths in cars . Harris spoke to the crowd at Harris 's funeral , via speakerphone .