Two people with inside knowledge of the probe say a federal grand jury in Brooklyn met as late as last week to hear testimony about Garner's deadly confrontation with New York Police Department officers on Staten Island in 2014. In recent weeks, officers who were present when Officer Daniel Pantaleo wrapped his arm around Garner's neck have testified before the grand jury, according to the people, who were not authorized to discuss the secret proceedings and spoke to The Associated Press on condition of anonymity. The federal inquiry, which began after a state grand jury declined to charge Pantaleo in 2014, already stalled once last year when prosecutors based at the U.S.