Russia Probe: Get to Know Robert Mueller's Investigative 'A-Team'
![](https://media.wnyc.org/i/800/0/c/85/1/AP_11121415536.jpg)
In this Dec. 14, 2011 file photo, FBI Director Robert Mueller testifies on Capitol Hill in Washington.
( J. Scott Applewhite / Associated Press )
( J. Scott Applewhite / Associated Press )
Produced by Dana Roberson
Hosted by Todd Zwillich