Tiffanie Rae Pierce

Tiffanie Rae Pierce entered pleas of guilty to two charges on Thursday in a case in which two people were murdered and their bodies dismembered and placed in vats of acid.

23 year-old Tiffanie Rae Pierce, charged with two counts of deliberate homicide in the stabbing deaths and dismemberment of 15 year-old Marilyn Pickett and 24 year-old Jackson Wiles, is also charged with attempted deliberate homicide in a separate case.