A nurses aide is to serve a 30-year prison sentence for the beating death of an 81-year-old nursing home resident. Eighteen-year-old Shermika Rainey of Fordyce pleaded guilty Tuesday to conspiracy to commit first-degree murder in the 2003 death of Willie Mae Ryan, a patient at the Dallas County Nursing Home in Fordyce. Rainey agreed to testify against co-defendant Gayla Ann Wilson, who is accused of beating the woman with brass knuckles July 30th, 2003, while Rainey held the women in her bed. Ryan was taken to a hospital in Pine Bluff, where she died August 14th, 2003. Circuit Judge Carol Anthony sentenced Rainey, giving her 361 days credit for the time she has been in jail since the beating. The plea agreement also calls for Rainey to pay 400 dollars in court costs and an amount in restitution to be determined. Rainey originally was charged with capital murder and was scheduled for trial next Monday. Prosecutors didn`t plan to seek the death penalty against her but have said they will pursue capital punishment for Wilson. Wilson`s trial begins October Eleventh.