Luis Gregorio Ramírez Maestre

Luis Gregorio Ramírez Maestre, known as 'El Monstruo de la Soga', is a convicted serial killer serving time in La Tramacúa prison in Valledupar, Colombia, for the murder of over 30 individuals. His recent testimony in the videopodcast Más Allá del Silencio revealed that fellow inmate Brayan Campo confessed to committing multiple murders of women and girls, including the case of Erika Julio Sepúlveda.