Theresa Knorr

Theresa Jimmie Francine Knorr is an American woman convicted of torturing and murdering two of her six children while using the others to facilitate and cover up her crimes. She was acquitted of murdering her first husband and was also considered a suspect in the unsolved murder of her sister Rosemary Norris. She is currently serving two consecutive life sentences at the California Institution for Women in Chino, California.