Pls help In 2010, a law was passed in Arizona that would have allowed police officers to ask anyone at anytime to show their identification to prove they were not an undocumented immigrant. In 2012, this law was struck down by the U. S Supreme Court because it violated the Fourth Amendment. How does this law violate [go against] the Fourth Amendment?

fourth ammendment:
Freedom from unreasonable searches and seizures.

a 2010 legislative Act in the U.S. state of Arizona that at the time of passage in 2010 was the broadest and strictest anti–illegal immigration measure passed in the United States.[2] It has received international attention and has spurred considerable controversy.[3][4]

U.S. Federal law requires aliens older than 18 to possess any certificate of alien registration issued to him or her at all times; violation of this requirement is a federal misdemeanor crime.[5] The Arizona act additionally made it a state misdemeanor crime for an alien to be in Arizona without carrying the required documents,[6] and required that state law enforcement officers attempt to determine an individual's immigration status during a "lawful stop, detention or arrest" when there is reasonable suspicion that the individual is an illegal immigrant.[7][8] The law barred state or local officials or agencies from restricting enforcement of federal immigration laws,[9] and imposed penalties on those sheltering, hiring and transporting unregistered aliens.[10] The paragraph on intent in the legislation says it embodies an "attrition through enforcement" doctrine.[11][12]

Explanation:

your mothers brothers brother in law would be your father.