" 
 :""Overtook"" implies that Wilson got within at least physical reaching distance of Brown, and it's not clear at this point that that occurred - we don't know the distance . ""Confronted"" literally means ""to meet someone face-to-face with hostile intent,"" which is what happened - Wilson stood face-to-face with Brown with the ""hostile"" intent of subduing him, and fired the fatal shots. What provoked those fatal shots is the question at issue.   "