Cop refuses to tell black men why he pulled them over and says he will have his k9 "rip the fuck out of them" if they don't put their phone away and stop recording him, cop then "seizes" their phones because they are being detained. After tearing apart their car they are released without charges.

https://nypost.com/2019/05/08/new-jersey-cop-to-suspects-during-traffic-stop-im-going-to-knock-you-the-f-k-out/?utm_source=reddit.com