Decades after the kidnapping and murder of Tammy Zywicki, police have released new information on a person of interest. The case has taken yet another turn after Sunday marked 34 years since 21-year-old Zywicki disappeared while traveling from Illinois to her college in Iowa. Illinois State Police and the FBI said they are still investigating her case, with 200 pieces of evidence being examined and new leads explored, including a newly named person of interest: Theresa “Teri” Belenske. #tammyzywicki #disappearance #kidnapping #truecrime #update