A Sac County man was arrested for sexual abuse against a minor late last week. The Sac County Sheriff’s Office responded to a call that a juvenile female was locked in an apartment. Police made contact with the person who made the call and found out that she was the victim’s mother. Police interviewed 39 year old Nathan Landrum at the apartment then he was taken to the Sheriff’s Office for further questioning. Police learned that Landrum had initially contacted the juvenile female on social media. According to the victim Landrum had sex with her prior to her mother’s arrival. Landrum faces charges of 3rd degree sexual assault and lascivious acts with a child.