Only one comment here as there are clearly too many witnesses (who know much better than any person there), too many cops on this board and too many jurors in the case who are sharing their professional opinion of facts.
Dispatchers are trained to tell EVERY SINGLE caller to stop following, stop getting involved, stop doing anything to curb crime. This is because if a dispatcher does not tell the people to stop their actions, the City would be sued. This same statement is uttered several times per night in all call centers - Nationwide.
Dispatchers are not sworn Police Officers. They are civilian positions.