I'm always cautious about where I get my reading material, especially when it comes to titles surrounded by controversy like books related to Pablo Escobar. The best legal way to download such books is through reputable platforms like Amazon Kindle, Google Play Books, or Apple Books. They often carry biographies or historical accounts written by journalists or researchers. For example, 'Killing Pablo' by Mark Bowden is a well-researched book available on these platforms.
If you're looking for something more obscure, check out digital libraries like Project Gutenberg or Open Library—though they mostly focus on public domain works. Always avoid sketchy sites offering free downloads; not only is it illegal, but you might also end up with malware. Supporting authors and publishers ensures more quality content gets made.