Authorities allege marissa tietsort caused the baby’s death in october, then put him in a snowsuit and car seat and returned him to his mother without telling her the child was. On friday at about 4:16 a. m. , officials found her at the plaza hotel on the 200 block of north 17th avenue. Police say the boy was dead when tietsort. A criminal complaint alleges tietsort caused the baby’s death in october, then put him in a snowsuit and car seat and returned him to his mother — without telling her the child. Marissa tietsort is accused of pretending a dead baby was alive. Exactly a year earlier, a prosecutor declined to charge her in another baby's abuse. Marissa tietsort, 28, appeared friday in marathon county circuit court, where judge lamont jacobson determined there was enough evidence to proceed with the case. Tietsort, 28 years old at the time, pregnant with her sixth child, admitted to police that she was babysitting the three month old, realized he was dead, dressed him up in his. At the time she reportedly had a valid warrant for a previous incident of child. Tiktok video from stephaniesoo (@stephaniesooyt): “discover the horrifying truth about marissa tietsort, a babysitter charged with child abuse. Heather receives alarming pictures of.