60 Minutes: Temporada 49, Episódio 36

49 - 36: Operation Car Wash | Snitches | Space Archeaology

Operation Car Wash - Brazil's massive corruption scandal -- called "Operation Car Wash" -- involves billions in bribes and scores of politicians.

Snitches - The California DA under scrutiny for use of jailhouse snitches disputes allegations by his own informant.

Space Archeaology - Locating archaeological sites for excavation can be a time-consuming and sometimes futile endeavor. But archaeologist Sarah Parcak uses a new method that utilizes satellite imagery to find ancient sites.