beating. there s a lot of questions about why we re just hearing about this now. we didn t know about this until wednesday. there are a lot of questions about why it s been four days. margaret connelly, thanks so much. keep us posted. the sisters of suspected d.c. shooter miriam carey says she was treated for post partum depression with psychosis but she was not delusional. they are still trying to put the pieces together of exactly what happened in the nation s capitol. miriam carey drove her car into a white house barricade before leading police on a chase to the capitol. she was then shot and killed. her 1-year-old was still in the car. the 1-year-old was okay, not shot. her sisters talked to anderson cooper about her initial diagnosis. it wasn t something