Alfonso Aguilar, who recently organized a support letter on behalf of Trump, said he felt "disappointed and misled" by the fiery speech and withdrew his backing.
The announcement came a day after Trump said he would crack down on illegal immigrants who overstay their visas, as he sought to clarify his views on how to overhaul the U.S. immigration system.
El candidato republicano dijo que el miércoles dará un importante discurso sobre inmigración ilegal en Arizona, lo que podría aclarar las conjeturas de que ha flexibilizado su radical postura de deportar a 11 millones de indocumentados de EU
Durante la última semana, agentes de Aduana y Protección Fronteriza decomisaron heroína, cocaína y metanfetamina
"I will NOT attend a function that is sent to me in Spanish/Mexican. One nation means one language and I am insulted by the division caused by language," Huachuca City Mayor Ken Taylor said.
Border Patrol officials say the man assaulted the agent after illegally crossing the frontier near Yuma, Arizona.
La SRE informó que ya solicitó una investigación transparente, imparcial y expedita sobre el incidente ocurrido el 9 de junio en Yuma, Arizona, donde un mexicano falleció por disparo de arma de fuego
Arpaio is an outspoken supporter of Republican hopeful Donald Trump.
Mexican journalist Carolina Rocha said she was struck by how quickly the men were able to climb the fence. She also was surprised that no agents responded to the incident.
In Montana, with the highest rate, suicide prevention coordinator Karl Rosston acknowledges some frustration as the toll rises.