India, Jan. 25 -- Alex Pretti's family members confirmed that the man shot and killed by federal agents during an immigration operation in Minneapolis on Saturday was a 37-year-old US citizen.

The tragedy happened weeks after killing of another US citizen, Renee Good, who was fatally shot in Minneapolis when another federal agent, Jonathon Ross, discharged his weapon into her car.

The Department of Homeland Security described the Saturday incident as an assault, asserting that a Border Patrol agent acted in self-defense after a man approached the agents brandishing a handgun and aggressively resisted efforts to disarm him.

However, witnesses and Pretti's family dispute this assertion, and videos recorded by bystanders at the scene seem...