Tribal leader Elba Ramos Valiente told Mr Ramirez how Lucio Quevedo, 22, was murdered by gunmen in August after he surprised them unloading drugs from a plane.
Tanasu De Jesus Quevedo-Ojeda, 28, and Oliver Vidal Hernandez, 27, had boarded the Black Watch cruise liner in Peru and were due to remain with the ship as it travelled to the Canary Islands via Southampton.