Both El Hacha Gonzalez and Barthelemy Philipeaux really proved to be annoying to say the least. You should take care of either one - but prepare to be hit by the other at the same time.
One enemy down, one to go.
Industrial Age Bonus Quest Line
Previous Quest: Enemy Propaganda
Next Quest: Gonzalez's Last Move (if you acquired Wenoevre) or Philipeaux's Last Move (if you acquired El Fuego) or possibly Ruler of the Continent (if you acquired both El Fuego and Wenoevre before completing this quest)