Yes. Washington Post has a database of police killings. Go to it and select by race, and lack of a weapon. You get 14 killings. Now go to the Wikipedia article

Yes. Washington Post has a database of police killings. Go to it and select by race, and lack of a weapon. You get 14 killings. Now go to the Wikipedia article for "George Floyd protests", it has a section titled Deaths with list of killings related to the riots. It says: "As of June 8, 2020, at least 22 people have died during the protests, with 19 due to gunshot wounds"