A Butler County woman was arrested earlier this week after police said she offered sex to a 15-year-old boy. Stephanie Evans is facing involuntary deviate sexual intercourse and indecent assault. Police said Evans asked the boy for help with carrying laundry. Investigators said Evans then locked the boy in a bathroom and offered sex. Police said the boy told Evans no. State police arrested Evans at her home in the Crystal Springs mobile home park in Mercer Township. Police said they learned about the incident when Evans' husband called 911 after she admitted to the incident. Evans remains in the Butler County Jail.