New Delhi, Jan. 26 -- A witness to the fatal shooting of a Minneapolis man by a Border Patrol agent said in newly filed court documents that he did not see the man brandish a weapon and that federal agents failed to render first aid after the shooting, according to a sworn declaration reviewed by USA TODAY.

The declaration was filed in federal court just hours after the January 24 killing of Alex Pretti, a 37-year-old US citizen and Veterans Affairs ICU nurse, who was shot during an encounter with immigration agents conducting operations in the city.

"I saw him yelling at the ICE agents, but I did not see him attack the agents or brandish a weapon of any kind," the witness wrote in the declaration, which was submitted under threat of pe...