I searched through the entire document for information on him shooting at Brown while fleeing, the only information is from people who were considered unreliable as they provided additional false statements. Can you provide where you are getting this information?
Edit: I will note this from the report:
"The locations of the shell casings are consistent with Wilson's account and the credible witness
accounts. However, shell casings provide limited evidentiary value relative to the precise
location of the shooter and bullet trajectory because they tend to bounce and roll unpredictably
after being ejected from the firearm and before coming to rest. "
Well lets look at what the training in this scenario dictates.
"Police are trained to stop dangerous, life-threatening or murderous behavior, Kelly said. This holds true for all police departments across the country, he added.
Anytime a firearm is discharged, it's considered deadly force, said David Klinger, professor of Criminology and Criminal Justice at the University of Missouri-St. Louis. Shooting to injure or maim someone wouldn't stop an aggressive subject, Klinger said, and officers are trying to stop the threat to their life, or the life of their partner or a citizen.
"Why would we want to injure or maim people?" he said. "It doesn't stop them."
Because of the potential risks, it would be "very difficult" to train officers to shoot to wound instead, Kelly said. If someone's life is in jeopardy, shooting to maim or injure will have little effect on the actions of the individual who is trying to kill, Klinger added.
Additionally, if an officer aims at anything other than the torso area, the odds that he or she will miss increase greatly, Klinger said. But aiming for the chest means that the type of wounds suspects usually sustain are likely to be fatal, he added."
https://abcnews.go.com/US/police-trained-shoot-wound-experts/story?id=40402933
Michael Brown had an injured thumb, that was all, he was bleeding but still couscous enough to turn and charge at the police officer, he was not going to stop unless he was shot at. You assume that he was no longer a danger, but that is a rather massive assumption considering he was still able to run, both away and toward Officer Wilson, and was largely uninjured.
By the way just a quick searching so far I have found no military policy that focuses on a "Shoot to wound" in a life threatening scenario. Also further on the soldier comparison, soldiers tend to have multiple other soldiers with them to subdue an armed target, Wilson was alone, and thus had no help if Brown were to get the gun.
Is there anything in the report or his testimony that suggests he was going for the head? Or was he shooting at the center of mass as he was trained to do, and Michael Brown's head was struck during it?
Note the autopsy report suggests the ones that hit his head were the result of Brown falling down, most likely after having been struck in the chest. Thus the final shots, and not an indicator that he was going for the head.
"The order of the remaining shots cannot be determined, though the shot to Brown's head
would have killed him where he stood, preventing him from making any additional purposeful
movement toward Wilson after the final shots were fired.14 The fatal bullet entered the skull, the
brain, and the base of the skull, and came to rest in the soft tissues of the right face. The
trajectory of the bullet was downward, forward, and to the right. Brown could not have been
standing straight when Wilson fired this bullet because Wilson is slightly shorter than Brown.
Brown was likely bent at the waist or falling forward when he received this wound. It is also
possible, although not consistent with credible eyewitness accounts, that Brown had fallen to his
knees with his head forward when Wilson fired this shot. However, the lack of stippling and
soot indicates that Wilson was at least two to three feet from Brown when he fired."