Witness - Chasing Pablo Escobar ( CP) 16:30In the late 1980's, two DEA agents volunteered to work on a top-secret mission. It ended up taking down the world's wealthiest criminal empire at the time, the Medellin Drug Cartel in Colombia and its leader Pablo Escobar. The story of Javier Pena and Steve Murphy inspired the hit "Netflix" drama Narcos." Americas Now had the opportunity to sit down with the intrepid investigators to hear their incredible tale.Game Changer - German Méndez Underwater... [see more] Mission (Lisa Hagen)9:45The beautiful coral reef with plants of all colors may soon be history in Cozumel, Mexico. Over-development, mass tourism and irresponsible diving practices have all led to the demise of the island's underwater landscape. But there's one man who has devoted himself to protecting the reef. He started the "Cozumel Coral Reef Restoration Program". Meet our Game Changer marine biologist German Méndez.Musical - Aging Pandas Mexico is home to two of the oldest living pandas outside of China. While most pandas in captivity have a lifespan of 20 years, they have so far lived to be 27 and 30. Our musical/ending piece have images of these elderly pandas, Shaun Shaun and Xin Xin.