Ex-FBI counterespionage officer pleads guilty to helping a sanctioned Russian oligarch

A top FBI agent whose job was to hunt for spies, including Russian spies, turned out to be cozying up with a Russian industrialist. Ex-FBI counterintelligence officer Charles McGonigal pleaded guilty on Tuesday to helping a Russian oligarch and laundering money.

Here & Now's Scott Tong speaks with Mattathias Schwartz, who has been reporting this story for Insider.