The man is identified as Arturo Pierre Perez , 28 , of El Paso , Texas . His mother says her son is bipolar and has been in a psychiatric hospital . In a statement , he says he crossed illegally into North America . Of the wealthy people in the United States , he said , `` These billionaires in power are nothing short of sociopathic megalomaniacs on the path to absolute world domination . '' He criticized the American political and economic system in the statement .
The man is identified as Arturo Pierre Perez , 28 , of El Paso , Texas . His mother says her son is bipolar and has been in a psychiatric hospital . In a statement , he says he crossed illegally into North America . He criticized the American political and economic system in the statement .