Complex sentence: While seen as an enemy of the United States and Colombian governments, Escobar was a hero to many in Medellín (especially the poor people); he was a natural at public relations, and he worked to create goodwill among the poor people of Colombia.
Split into simpler sentences: While seen as an enemy of the United States and Colombian governments, Escobar was a hero to many in Medellín (especially the poor people). He was a natural at public relations, and he worked to create goodwill among the poor of Colombia.