When 21-year-old Mark Kilroy and a group of his friends headed to South Padre Island in Texas for Spring Break, all they had in mind was sun, sand and celebration. However, when they crossed the border into the Mexican city of Matamoros to party with their fellow college students, things soon took a dark turn. --- Episode narrated by the Anonymous Host Episode researched by Erin Munro  Episode written by Elsha McGill and Milly Raso Creative Director: Milly Raso For all credits and sources please visit casefilepodcast.com/case-123-mark-kilroy