He Came... And Went

He Came... And Went is a side quest in the Fallout: New Vegas add-on, Old World Blues.

Synopsis
Dr. Dala has some information on another courier that came through the Big Empty.

Walkthrough

 * 1) Talk to Dr. Dala about the "other visitor" at the Big MT.
 * 2) Find out the questions the other courier asked Dr. Klein.