By Snejana Farberov For Dailymail. Amalia Utz, 47, has been arrested for allegedly engaging in sexual activities with her son's two year-old friends and giving them marijuana and alcohol. A California mother has been charged after allegedly having sexual relations with two year-old boys and providing them with marijuana and alcohol at her home. Amalia Utz, 47, from Oak Park, was arrested last Wednesday following a week-long investigation into 'a rumor' about a woman who had allegedly assaulted a year-old boy back in September.