Nicole Poole Franklin, 43, admitted driving her SUV into two children in 2019 because she thought one was Mexican and the other was a member of the Islamic State group.
The Knox County district attorney said Officer Jonathon Clabough acted in "self-defense" after 17-year-old Anthony J. Thompson Jr. fired a handgun.
A Minnesota woman who sat through the whole trial alongside the jurors has spoken out about the experience.
A federal judge called it a "truly barbaric and heinous crime."
Police officers in Ohio, California and North Carolina have killed Black people since Derek Chauvin was found guilty.
Citing safety concerns, prison officials are keeping the former police officer in a restricted housing unit in Minnesota's only maximum security prison.
Michael Slager told the judge that he was never made aware of a plea deal that would have cut years off his sentence for the 2015 shooting of Walter Scott.
It's safest for the community if extremist Proud Boys members Ehtan Nordean and Joseph Biggs are locked up, rules U.S. District Judge Timothy Kelly.
Police said Anthony Thompson, 17, shot an officer in his school's bathroom. They then retracted the claim, but have released few other details.
Police feared Brandon Hole would get back the gun they had confiscated a year ago, though he ended up buying two semiautomatic rifles.