Conversation so far:
Who did Robert F.
Kennedy run against in the senate?
CANNOTANSWER.
Are there any other interesting aspects about this article?
The period of July 1953 to January 1954 saw him at "a professional and personal nadir".
What did he do for living?
work as a lawyer in the Internal Security Section of the Criminal Division of the U.S.
Department of Justice.

Question: what type of lawyer was he?
Self-contained rewrite: what type of lawyer was Robert F. Kennedy?