In this taped television news report, Roger Cortez explains the investigation that the Universidad Mayor de San Andres (UMSA) conducted regarding the planned Chepete and El Bala megadams. Roger Cortéz Hurtado is a researcher and analyst of social, economic, political, environmental, communication, transparency, participation and social control issues. A University professor since 1983, he has served as Director of the Alternative Institute since 2012 and conducts newspaper and investigative journalism. This 23 minute and 4 second interview is conducted in Spanish and available here.