Meet the Prosecutor at the Center of the Controversy Over Comey's Firing

During his 27 years at the U.S. Justice Department, Rod Rosenstein has been known for his low-key presence, 1 a.m. emails and meticulous methods.

“When we had an important decision to make, he would go around a room and he would solicit people's views, but at the end of it he was not afraid to make the call,” says Jonathan Biran, a lawyer who used to work with Rosenstein at the U.S. Attorney's office in Maryland. “He’s not someone who would just make a rash judgment.