I have tried every method and the best one is to have your quest for the creature exploitation reserve and there will always be four loot midgets/robots. If you do not get jenkins then quit to the dashboard so you do not save. Then just run back to the boxes. Doing this i had him pop twice in the same run.
Entered Alabama's Top Ten On June 26, 2012
Passed Number 9 on July 1, 2012
Passed Number 8 on July 13, 2012
Passed Number 7 on August 8, 2012
Passed Number 6 on September 29, 2012
You're next DefEdge