Passage: "Body-worn cameras record audio and video of an officer's interactions with the public. Departments use them to increase transparency, gather evidence, and protect both officers and citizens. Policies usually require officers to activate the camera before certain types of contacts." The main purpose of body-worn cameras, according to the passage, includes all of the following EXCEPT:

1. Increasing transparency
2. Gathering evidence
3. Protecting officers and citizens
4. Replacing written reports entirely