The U.S. has already provided Canada with about 1.5 million doses of the AstraZeneca vaccine, and gave 2.5 million doses to Mexico.
Attorney General Merrick Garland says the investigation will look into the department's use of force and whether it engaged in discriminatory practices.
Police did not release the names of those who were injured and taken to hospital. The Sikh Coalition and the Sikh Community reeling from the loss of their loved ones and sharing their grief condemning this senseless act of violence over social media posts.
According to Indiana police the motive of the gunman on opening fire Thursday night at a FedEx processing centre near the Indianapolis airport is not known. The shooter started randomly firing at people in the parking lot and then went into the building and continued shooting.
More than 6.8 million doses of the J&J vaccine have been administered in the U.S., the vast majority with no or mild side effects.