It's been done before. There is no excuse, and race probably had something to do with it. Racism is a major problem in US policing, with several departments hiring and employing white supremacists.
Alice Speri, The FBI Has Quietly Investigated White Supremacist Infiltration Of Law Enforcement, The Intercept, January 31 2017,
The FBI Has Quietly Investigated White Supremacist Infiltration of Law Enforcement
Michael German, Hidden in Plain Sight: Racism, White Supremacy, and Far-Right Militancy in Law Enforcement, August 27, 2020, Brennan Center for Justice,
Hidden in Plain Sight: Racism, White Supremacy, and Far-Right Militancy in Law Enforcement
Federal Bureau of Investigation, “White Supremacist Infiltration of Law Enforcement,” October 17, 2006,
https://oversight.house.gov/sites/d...premacist_Infiltration_of_Law_Enforcement.pdf
Timothy M. Gill,
The Height of Racial Resentment: White Cops, December 15, 2017,
The Height of Racial Resentment: White Cops
LeCount, Ryan. (2017).
More Black than Blue? Comparing the Racial Attitudes of Police to Citizens. Sociological Forum. 32. 10.1111/socf.12367
https://www.researchgate.net/public...ng_the_Racial_Attitudes_of_Police_to_Citizens