George Floyd, Breonna Taylor and many others have been murdered by police and body cams would help in bringing justice to those around the officers. Police Brutality can not be overlooked and this seems to be a simple way in helping to change that. This also works in Police favor to give evidence when they are making an arrest. 

It is estimated that half of the police in the US have body cameras. Let's move to make it 100 percent. 

https://www.govtech.com/data/Just-How-Common-Are-Body-Cameras-in-Police-Departments.html