- Leanna Harris' husband is charged in the death of their son in a hot car last month
- A friend says the Georgia couple had a loving relationship with Cooper, 22 months
- A detective says police found Leanna Harris' actions and words curious
- She's not a suspect, but police have repeatedly mentioned her in warrants and in court
(CNN)Much of the focus in Cooper Mills Harris' death has been on Justin Ross Harris, the father who failed to drop the toddler off at day care.