Missing Argentine federal police officer's phone pings in Bolivia, new lead in Jujuy case

Maximiliano Martínez, a 30-year-old Argentine Federal Police officer, disappeared a week ago after leaving La Quiaca for Villazón by bicycle. His cell phone has now pinged in Bolivian territory, providing a new lead in the investigation. The case is developing, with a prosecutor's testimony, a key video, and a body found on a cliff adding complexity.