Here are answers to key legal questions on what immigration agents and protesters are allowed to do, and where there are gray areas in the law.

A man was hospitalized after allegedly exchanging gunfire with Border Patrol agents in Arizona on Tuesday, according to the Department of Homeland Security and the FBI.

Family members say the man who was killed by a federal officer in Minneapolis was an intensive care nurse at a U.S. Department of Veterans Affairs hospital who cared deeply about people and was upset by President Donald Trump’s immigration crackdown in his city.

Border Patrol Commander-at-Large Gregory Bovino told CNN this morning that Alex Pretti, a man shot and killed by federal agents yesterday in Minneapolis, put himself in a dangerous situation while carrying a loaded gun.

Suspect shot by Border Patrol after opening fire on agents and federal helicopter in Arizona, authorities say - The 34-year-old man was taken to the hospital by helicopter after an alleged attack on a

A shooting involving the U.S. Border Patrol prompted a law enforcement response in Arizona’s Arivaca area on Tuesday, local authorities said.

Trump administration sends Congress 'preliminary review' of fatal Border Patrol shooting of Alex Pretti in Minneapolis during immigration operation.