1st of 2 graphic adventures published in Johnny Dynamite #10, Jun. 1955, 12 pages.
This is the case that brings Johnny Dynamite into working with the government. An old army buddy has been murdered in Chicago by a former Nazi hitman and torturer, now working for the Communists. The government gets him to head to Berlin to track down the man and eliminate him.
Reprinted in Ms. Tree #36, Feb. 1987.