ATLANTIC CITY - A homeless woman has pleaded guilty to stabbing two tourists to death in Atlantic City last year.

Prosecutors say 45-year-old Antoinette Pelzer used a large butcher knife to stab a mother and daughter, who were visiting from Canada, during a robbery attempt in May last year.

Pelzer's attorney says the Philadelphia woman has schizophrenia.

Pelzer pleaded guilty to two counts of muder, and she faces two consecutive life sentences. A judge will sentence her on Oct. 24.

AP wire services contributed to this report.