A Colombian electronic surveillance team, led by Brigadier Hugo Martínez, used radio trilateration technology to track his radiotelephone transmissions and found him hiding in Los Olivos, a middle-class barrio in Medellín.
Et colombiansk elektronisk overvågningshold, ledet af Brigadier Hugo Martínez, brugte radio trilaterationteknologi til at spore hans radiotelefontransmissioner og fandt ham i Los Olivos, en middelklasse barrio i Medellín hvor han gemte sig.