The FBI crime statistics I cited [0] show that whites have one of the lowest per-capita homicide rates. Specifically, the white+Hispanic [1] homicide rate is 1.16 per 100k, while the Black rate is 7.98. So which data are you referring to? Because the data I can find supports the exact opposite of your claim.
[0] https://ucr.fbi.gov/crime-in-the-u.s/2019/crime-in-the-u.s.-...
[1] Due to how the FBI reports Hispanic ethnicity separately from race, it is difficult to calculate homicide rates for whites and Hispanics separately, so for this comparison the white+Hispanic rate will have to suffice.