Two children were found dead in a car, strapped to their seats. Their mother faces murder charges.

Two children were found dead in a car, strapped to their seats. Their mother faces murder charges.  Washington Post Authorities: Mom tried to shift blame for deaths of children  Yahoo News Arizona twice investigated, cleared mom before kids found dead in car seats  CBS News PCSO: Mother facing murder charges after 2 kids found dead in Superior  ABC15 ArizonaFull coverage