According to other articles, the man was mentally ill, and drunk and was running around starting fights with random people. The cops were called, and the video shows what followed after. The man ended up with broken legs from the batons beating his tibia (shin bone) and had his teeth knocked out. Witnesses said he was screaming in immense pain asking for them to stop and they continue tazering him repeatedly and hitting him. He couldn't roll over because of the extreme pain in his legs apparently.
I cringed just watch the baton beating on his shins you can hear the loud crack of the baton everytime they hit him.
This is in Long Beach California.
Youtube Video of beating