Casey Anthony has been accused of many things in her time, not least the murder of her toddlerdaughter, Caylee, but a recent lawsuit took the criminal allegations against the "TotMom" to a whole new crazy level!Anthony was being sued for a whopping three billion dollars by Naomi Riches, a Pennsylvania woman who maintains Anthony caused her "emotional and mental distress" after she threatened to kill her,RadarOnline.com is exclusively reporting.