He makes the Islamic profession of faith in Arabic in the video: “I confess that there is no god but Allah and Muhammad is his prophet.”

“Ibn Mughaffal reported: The Messenger of Allah (may peace be upon him) ordered killing of the dogs, and then said: What about them, i. e. about other dogs? and then granted concession (to keep) the dog for hunting and the dog for (the security) of the herd, and said: When the dog licks the utensil, wash it seven times, and rub it with earth the eighth time.” — Sahih Muslim 551

“Police release video of north Sacramento assault that hurt 2 officers, killed dog,” by Molly Sullivan, Sacramento Bee, November 22, 2019 (thanks to Karl):