Abducted by convicted rapist Phillip Garrido in 1991, she was repeatedly raped and impregnated her twice during her 18-year imprisonment in a shack on his property. He was sentenced to 431 years in prison in 2011.
She grew up in South Lake Tahoe, California, and was abducted when she was 11 years old outside her family's home.
She was renamed Alyssa, by Phillip and Nancy Garrido, who housed her in a shack in their backyard. Investigators freed her in August 2009.
Her mother is Terry Probyn. She gave birth to her first daughter at age 14 and her second at age 17.
Michelle Knight is also known for surviving kidnapping and imprisonment.