I found no evidence that he was 'hiding in plain site' -- Dog tracked him down to get a reward on the million-dollar bail. When Dog tried to take him, Dog was arrested in Mexico.
The Mexican authorities, upon finding out who Luster was, had him expelled back to the U.S., where he was imprisoned.
There is no evidence the Mexican authorities were helping Luster, or would refuse to send him back to the U.S.
Did you ever buy the Brooklyn Bridge? Swampland in Florida? Wake up Charlie.