Which branch of government has the power to pardon people found guilty of federal crimes?

The executive branch

Explanation:

Article II, Section 2 of the Constitution of the United States says that the President has the power to grant reprieves and pardon for offenses against the US except in cases of impeachment.

Alexander Hamilton explained in the pamphlet Federalist n. 74 that the reason why the Founders included the pardon in the US Constitution was that there should be a system of pardon so in cases of mistakes or unfair sentences this could be used.

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.