Too many coincidences... Yeah they killed him to cover it up. They most likely just told the mules where he would be and that he was in the way. Their thugs did the rest and got a free pass back south...and a few guns to take with them.
So ... when macho man Obama sits in his 2nd floor ‘office’ watching his favorite sports shows and riffling through his ‘deck of cards’ looking at pictures and deciding who lives or dies .... was Zapata’s name on one of them? Hmmmm?