Here’s what we know about the officer convicted on April 20 in Floyd’s murder.
Police confirmed the complaints were filed but didn’t detail why they were filed or what they entailed.
Only two of the 18 complaints were “closed with discipline,” according to a MPD internal affairs public summary. In both cases, Chauvin received a letter of reprimand.
Neither the nonprofit database nor the Minneapolis internal affairs public summary include dates or descriptions that incited the complaints.
Former officer Tou Thao, who was also involved in Floyd’s arrest, had six complaints filed with internal affairs, one of which was still open, the summary said. The other five were closed without discipline.

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The other two former officers, J. Alexander Kueng and Thomas Lane, had no complaints filed, according to a MPD internal affairs public summary.
He and George Floyd once worked security shifts at the same nightclub
Floyd worked some Tuesdays as extra security. Chauvin worked as an off-duty police officer for the club for nearly 17 years, Santamaria said.
“I wouldn’t characterize them as knowing each other,” she told CNN’s Josh Campbell in an interview.
But, she added, “We all worked together certain nights and they would have crossed paths.”
Santamaria said she couldn’t believe what she was seeing when she watched footage of the two employees, one under arrest and one face down on the pavement.
“I kept yelling at my phone, telling Chauvin to get off of him. It’s horrible. It’s absolutely beyond words,” she said. “And having known Chauvin, I can’t believe he didn’t have the humanity to listen to this poor man begging for his air and his life.”
His wife had filed to dissolve their marriage
The day after Chauvin’s arrest, an attorney for his wife Kellie filed for a dissolution of marriage.
“This evening, I spoke with Kellie Chauvin and her family. She is devastated by Mr. Floyd’s death and her utmost sympathy lies with his family, with his loved ones and with everyone who is grieving this tragedy. She has filed for dissolution of her marriage to Derek Chauvin,” a statement from Sekula Family Law office read.
“While Ms. Chauvin has no children from her current marriage, she respectfully requests that her children, her elder parents, and her extended family be given safety and privacy during this difficult time.”
CNN’s Dakin Andone, Hollie Silverman, Melissa Alonso and Alaa Elassar contributed to this report.