The method Koivunen used — piping exhaust into the passenger cabin while his victims slept — left little immediate evidence and gave him plausible cover through a series of shifting, implausible explanations he maintained under interrogation. His three victims were young women hitchhiking across southern Finland in the summer of 1971, a routine act of travel that proved fatal through his deliberate exploitation of it. The investigation that caught him was notable in its own right: the National Bureau of Investigation distributed victim photographs to filling stations and dance halls across the region, a novel approach at the time that ultimately led to his arrest.

Her influence over a sitting president became the center of one of South Korea's largest modern political scandals, ultimately triggering mass protests and the impeachment of Park Geun-hye. Operating largely outside any official government role, she wielded access to state affairs in ways that investigators found corrupt at a systemic level. The scale of public outrage her case generated speaks to how thoroughly it unsettled South Korean democratic norms.

Feigley operated under the institutional cover of both a church and a school, using doctrinal language around spirituality to normalize the sexual abuse of children. His 1975 arrest on multiple counts of statutory rape and related charges came after roughly five years during which his organizations had gone largely unchecked by authorities. The written and illustrated material he produced made explicit what his institutions practiced, leaving a documented record of the ideology behind his crimes.

His reign lasted less than a year, but the questions it raised about royal judgment and political reliability have endured far longer. Edward's sympathy toward Nazi Germany — expressed through private meetings with Hitler and public statements that alarmed British intelligence — placed a reigning monarch uncomfortably close to a hostile foreign ideology at one of Europe's most dangerous moments. The abdication resolved the immediate constitutional crisis, but the Duke of Windsor's subsequent conduct in exile kept those concerns very much alive.