By en:User:Paul.h (en:User:Paul.h) [Public domain], via Wikimedia Commons
McAleenan studied law at the University of Chicago where he received his Juris Doctor Degree. He also received a Bachelor of arts degree from Amherst College. McAleenan practiced with his law degree, before going into public service, in California. California is going to be a huge obstacle to overcome when building the wall so his experience in the state will come in handy.