“It has a lot to do with Derek being extremely aggressive within the club with some of the patrons, which was an issue,” Pinney explained.

The Floyd family says they believe what happened on May 25 was in part personal. Their lawyer has called for Chauvin to be charged with first-degree murder, “because we believe he knew who George Floyd was.”

“Is there any doubt in your mind that Derek Chauvin knew George Floyd?” CBS News asked Pinney.

“No. He knew him,” the coworker said.

“How well did he know him?” CBS News asked.

“I would say pretty well,” Pinney replied.