...When an officer and their backup officers are busy with a traffic stop or assigned call, if there is another officer available they respond to the area as well. After assessing the scene, this additional officer is placed in a position of advantage to provide a PO-W of their fellow officer(s) at the scene of the contact or call. This overwatch can be maintained to allow for the PO-W officer to observe the avenues of approach for possible developing threats. The PO-W should choose a position that allows them to identify and warn of an impending threat, or even respond to diffuse those threats. The PO-W officer should preferably be low profile...
https://www.policeone.com/Officer-Sa...-police-lives/