A Youth First social worker assigned to Princeton High School has been arrested after an Indiana State Police investigation found she allegedly engaged in sexual activity with a 16-year-old student during school hours. Police began investigating on November 6 after school administrators reported suspicious behavior. Detectives identified the social worker as Mariah Lienemann, 30, of Owensville, who had worked with the student since the start of the 2025–2026 school year. Investigators say Lienemann had sexual encounters with the student in her classroom and exchanged numerous inappropriate text messages and more than 15 FaceTime calls with him. The Gibson County Prosecutor’s Office has charged Lienemann with Child Seduction, a Level 5 felony. She was arrested at her home…..