A 37-year-old Irish man has been arrested in Hungary for the suspected murder of Mackenzie Michalski, a 31-year-old nurse from Portland, Oregon. Police found evidence suggesting she was killed during an encounter with the suspect after they met in a nightclub. Upon his arrest, the man confessed but claimed the death was accidental. He led investigators to the location where he allegedly concealed her body in a suitcase. Friends of Michalski held a vigil in her memory as authorities continue their investigation into the tragic case.