Answer:
His discription of feelings about the police was due to his experience of a friendly police officer that came to his school. This made him to see police as the good guys always. And he held on to it to some certain point in his life though most of his friends deserted him.
His later experience when he was arrested for having a BB toy gun and the comment by a fellow police officer at the place of his internship about him being "dirty" (that is, not being a criminal) not considering his efforts changed his mind from becoming a police officer.
Rashad decided that being a cop was not for him but rather decided to bloster his society by becoming and founding a chapter of Black Lives Matter in St. Paul, Minneapolis.
Step-by-step explanation: