- Police say Leanna Harris was questioned about the death of her son
- She gave "similar statements" to ones her husband gave about looking on the Internet
- Investigators used a warrant to take computers into evidence
- Justin Ross Harris is charged with murder, child cruelty
(CNN)Leanna Harris, the mother of a Georgia toddler who died locked in a hot car, has told authorities that she researched such deaths and how they occur, according to a police affidavit.