ST. LOUIS COUNTY • A second woman is suing Castlewood Treatment Center in west St. Louis County, where she says she was brainwashed into believing she was in a cult and possessed by the devil.

Leslie Thompson of Minnesota spent two and a half years as a patient at Castlewood and other facilities associated with psychologist Mark Schwartz, who is also named in the suit filed Wednesday in St. Louis County Circuit Court.

Castlewood and Schwartz were sued in November by Lisa Nasseff, also of Minnesota, who made similar claims of brainwashing when she stayed at the residential facility for 15 months between 2007 and 2009.

Both women are represented by attorney Kenneth Vuylsteke of Webster Groves.

The lawsuits say the women were treated for eating disorders at Castlewood and were implanted with false memories of sexual abuse and satanic cult activity.

Under the care of Schwartz, Thompson falsely believed she belonged to a cult, was involved in the sacrifice of a baby and had 10 multiple personalities including one named "Freddie" that represented the devil, according to the lawsuit.

The lawsuit says Schwartz told Thompson she would die if she left Castlewood, as if she had walked away "in the middle of surgery."

Thompson's medical bills at Castlewood reached $600,000, according to the lawsuit.