Fentanyl is the leading cause of death for Americans between the ages of 18 and 45. On this episode, you’ll hear a DIA counter narcotics officer discuss the agency’s efforts to combat the most devastating drug epidemic in U.S. history. We also spoke with Mariana Van Zeller, an investigative...

This episode of DIA Connections features highlights from Season Four. Catch up on this season's best moments with an American pilot who landed his plane safely after a mid-air collision with a Chinese fighter jet, a cosmochemistry professor who led NASA’s mission to an asteroid, a DIA analyst...