A 54-year-old Buffalo woman has pleaded guilty, as charged, to first-degree manslaughter in the fatal stabbing of her boyfriend last fall, Erie County District Attorney Frank A. Sedita III announced Monday.

Darlene Benson-Seay, of Gerhardt Street, pleaded guilty before State Supreme Court Justice Christopher J. Burns, in the fatal stabbing of Ronald P. Wilson, 59, on Sept. 9. Senior Trial Counsel Christopher J. Belling prosecuted the case.

Benson-Seay faces a maximum prison sentence of 25 years when she is sentenced by Burns at 9:30 a.m. Aug. 13.