HARTFORD CITY, IND. — Jurors convicted a woman of charges she gave cigarettes to two underage girls in exchange for them performing sex acts with her estranged husband.

Barbara L. Walker, 40, convicted this week, could face six to 20 years in prison on each of three counts of aiding, inducing or causing sexual misconduct with a minor, and two to eight years on one count of aiding, inducing or causing child molestation.

Her sentencing is scheduled for Nov. 30 in Blackford Circuit Court in Hartford City, 20 miles north of Muncie.

Her ex-husband, Bruce DeCamp, 42, agreed to testify against her as part of a plea agreement in which he was sentenced to 20 years in prison on charges of sexual misconduct and child molesting.

Authorities said one of the victims was a teenager, while the other was a preteen. They are now in foster care. The woman who tipped off Indiana State Police worked for the Elkhart County Division of Family and Children and had an online relationship with DeCamp, police said.

Walker, a nurse, used cigarettes to bribe the girls into performing sex acts with her husband, who then was an arson investigator for the Hartford City Fire Department.

The Indiana State Board of Nursing suspended Walker’s nursing license soon after the couple’s arrest at the request of Indiana Attorney Steve Carter.

The couple were charged in December 2003 for the sexual crimes that police said occurred in their home between January and October of that year.

Walker and DeCamp, who married in September 2002, had divorced by the following July, according to court records in Howard County.