33-year-old Lindsay Himmelspach of Chico was sentenced to 120 days in Butte County jail as a condition of probation for being charged with two felony counts of unlawful sex with a minor. The incidents happened June of last year when the two male students of Las Plumas High School were 17-years-old. The judge also ordered that the defendant complete sex offender therapy classes. A hearing on whether Himmelspach will have to register as a sex offender will take place on August 3rd.