1.) Should officers with body-worn cameras be required to announce they are wearing the devices?

2.) under what circumstances should body-worn camera?

Explanation:

1. No they don't have to announce it if it's obvious to the people or no an officer don't need to announce it

And

2. The body-worn camera should be worn when there's an important issue going on to preserve an evidence and a clue of what really happened and for more reality and caution ⚠

answer:

a bird as actual bird