The problem with any police incident involving a fatality it is always easy with the comfort of time and hindsight to say this should have happened and this should have been done.
In the UK the police are fortunate in the sense gun crime isn't as rife as in the United States. In the US the police are routinely armed here in the UK...
I had shoulder problems. Had 2 ultrasounds and now my second cortisone injection. Physiotherapy for rotar cuff exercises and if it doesn't get better surgery to correct the impingement.