Donald Trump -- El Chapo's Nobody Special ... Lots of Death Threats

Donald Trump has received a slew of death threats since announcing his candidacy for President ... TMZ has learned.

Sources connected to Trump tell TMZ, the recent threat by El Chapo's son has not changed the drill for the candidate's security team. We're told they have received numerous death threats since the announcement.

We're told Trump's security has been formidable from the beginning. As one source put it, "We're not sparing any costs and Mr. Trump's security is the best money can buy."

Trump is not getting any extra protection from the feds in the wake of the Chapo threat. But we're told federal and local law enforcement is investigating the Chapo threat as well as others and is in touch with Trump's security team.