No, I don't think they would. They might demand that MEXICAN authorities go after you, and failure to do so would cause an international incident, but they can't come after you directly. This action is outrageous.
Try telling that to Saddam Hussein or bin Laden or al-Awlaki. When the US wants you, they have ways of getting you.
Imagine if everyone started voting by their conscience instead of blindly voting for a party or strategically.
The majority of people do.....that's why they don't vote at all.
e-credibility: the non-guaranteeable likelihood that the electronic data you're seeing is genuine rather than somebody's made-up crap. - Karl Lehenbauer