There were black cops who stood behind the criminals who beat Rodney King, shot Amadou Diallo and assaulted Abner Louima, too. The blue wall trumps a lot of things, including, often, common sense.
Given that the sergeant was not inside the house and didn’t witness anything that precipitated the arrest on the porch, his perspective is less than meaningful, IMO.
I addressed the quote from you in the paragraph directly underneath the quote. Then, I skipped a line and wrote another paragraph. I’m sorry it wasn’t clearer to you that the entire thing wasn’t directed at you. I feel another sigh coming on.