Wikimedia CommonsIt's unusual when a woman murders a little kid, but not unheard of. California has Melissa Huckaby, accused of raping and murdering an 8-year-old girl.
And Arizona has Mercedes Howard, 29, who sentenced on Wednesday to 17.5 years in prison for abusing and killing her live-in girlfriend's 3-year-old son.
An investigation showed that Howard, a resident of the Gila Indian town of Sacaton, hit the boy regularly. She admitted to clubbi