WEST DES MOINES, Iowa (AP) — A college economics professor was arrested after police in a Des Moines, Iowa, suburb say she bound and gagged her husband for hours, leading to his death.

West Des Moines police say officers arrested 41-year-old Gowun Park on Wednesday.

The charges stem from the death Saturday of her husband, 41-year-old Sung Nam.

Court records say Park used zip ties to bind Nam’s feet and hands to a chair, jammed clothing into his mouth and used duct tape to attach a towel over his head.

Officers were called Saturday evening and found Nam on the floor.

He was pronounced dead at a hospital. Park is being held at the Dallas County Jail.

She has been suspended from her position as an assistant professor of economics at Simpson College in Indianola, Iowa.