The Afflicted is a 2011 American horror thriller film written and directed by Jason Stoddard. A limited theatrical release, it is based on the crimes of Theresa Knorr, an American woman who killed her husband in 1964, and torture-murdered two of her children during the 1980s. It stars Leslie Easterbrook as Maggie, a mentally disturbed mother of four who begins abusing her children based on her own twisted interpretations of the Bible. Kane Hodder co-stars as Maggie's husband, Hank.

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. She is currently serving two consecutive life sentences at the California Institution for Women in Chino, California.