Are police body cameras useful in preventing police corruption and police brutality

I need it to be 7 paragraphs essay, I already wrote the intro and the three main points, I just need the body paragraphs. so I need something related to these main points

For the #first paragraph Introduction- include These statement

P#2 First point

P#3 Second point

P#4 Third point

P#5 Refutation point (opposing view)

P#6 Counter argument

P#7 conclusion