As she exited her Hard Choices book event Tuesday in Washington, D.C., former Secretary of State Hillary Clinton was approached by conservative activist Jason Mattera, who asked her to sign a copy of the book out to one of the four Americans who perished in the 2012 Benghazi attack.
"If you could make it out to Christopher Stevens," Mattera asked, referring to the U.S. Ambassador to Libya who was a victim of the terrorist siege. "I think you knew him."
Watch the video to see how she responded: