This is the third time the white officer has shot and killed a black man.
The 24 black soldiers were led by a white officer.
Of the 50,000 white officers on the force in 1994, about 47,000 remain.
The three had probably come from the funeral of a 9-year-old black child said to have been shot by a white police officer.
Many of the allegations came from white officers who took the test.
Of them, 434 white, 247 black and 46 Hispanic officers passed.
So far, no Indians have lost their lives over this situation and one white officer has been killed.
Some white officers have urged him to give the new chief a chance.
Two white police officers were killed early in the confrontation.
Grant's hand slowly fell to his side as he turned to the white officer.