Gerardo Alonso Ríos Mairena

Gerardo Alonso Ríos Mairena is a convicted murderer, infamously known for the brutal slaying of five university students in Liberia, Costa Rica, in January 2017. Following his conviction in 2018, he was sentenced to maximum prison time at the Centro Penitenciario La Reforma. His heinous crimes, which included tying up and murdering his victims, have drawn significant media attention, especially as reports emerged of unusual requests for visits from admirers, highlighting a psychological phenomenon known as hibristophilia, where individuals are attracted to violent criminals.