Body cameras are not consistently associated with reductions in police use of force, arrest, or citations. A meta-analysis of 70 empirical studies finds that body cameras are associated with reduced citizen complaints, but not necessarily because officers' conduct has improved.

See the source article by following the link below:
Body cameras are not consistently associated with reductions in police use of force, arrest, or citations. A meta-analysis of 70 empirical studies finds that body cameras are associated with reduced citizen complaints, but not necessarily because officers' conduct has improved.