Magnus Einerson, also known as "The Icelandic Archer", is an assassin who acquires crucial national intelligence on commission.
In "Chuck Versus the Alma Mater" he is hunting Professor George Fleming, who has copied the CIA intelligence he has gathered onto a disc. These files are revealed to be the CIA recruiting files of all the Stanford students he has brought into the company.
During his hunt for Flemming's disc, he shoots Fleming with a crossbow bolt in the back when he was just be about be taken into CIA protection.
He follows a book reference code to Stanford University.