The only police officer charged over the raid that killed black American woman Breonna Taylor has been acquitted.
On Thursday (local time), a Kentucky jury acquitted a white former detective of endangering neighbours of Ms Taylor during a botched raid on her home.
The decision cleared law enforcement of all criminal liability in a case that rocked the United States in 2020.
Detective Brett Hankison, 45, was charged with wanton endangerment after his stray bullets hit a neighbouring apartment in the city of Louisville during the execution of a "no knock" search warrant after midnight.
He was the only officer charged in the case.
Mr Hankison could be heard sobbing behind his face mask as the verdict was read three times, one for each of the occupants of the neighbouring apartment, according to a Court TV reporter who was in the courtroom.
Relatives of Ms Taylor who were in the gallery also wept, the reporter said.
The jury deliberated for about three hours after hearing closing arguments on Thursday at the conclusion of a one-week trial at Jefferson County Circuit Court.
Shooting helped fuel 2020 protests
The death of Ms Taylor, an emergency medical technician who was unarmed, was one in a trio of cases that fuelled a summer of protests against racial injustice and police violence two years ago.
The other cases resulted in guilty verdicts for the murders of two black men in 2020: George Floyd in Minneapolis and Ahmaud Arbery in Brunswick, Georgia.
Those convictions had offered a measure of justice after black activists and victims have said their protests against racial violence were largely ignored before the advent of mobile phone video.
In this case, a grand jury cleared the two white officers who shot Ms Taylor but charged Mr Hankison for endangering neighbours in the adjacent apartment.
A grand juror on the case later said Kentucky Attorney-General Daniel Cameron only presented the wanton endangerment charges against Mr Hankison to the grand jury.
That meant the only trial to result from her death hinged on whether a police officer was justified in firing his weapon upon hearing a barrage of gunfire.
'Justice has still not been achieved'
"Today's decision adds to the frustration and anger of many over the inability to find more accountability for the tragic events of March 13, 2020," Louisville Mayor Greg Fischer said in a statement.
"I know that for many, justice has still not been achieved."
Police wanted to search the home in connection with a drug investigation in which Ms Taylor's ex-boyfriend was a suspect.
After police broke down Ms Taylor's door, her new boyfriend, fearing a break-in and saying he did not hear police identify themselves, fired one shot from a handgun that wounded an officer.
That officer and another returned fire, shooting 22 times.
Officer was 'doing his job': lawyer
In tearful testimony on Wednesday, Mr Hankison said he mistakenly believed his fellow officers were coming under heavy fire.
He shot 10 times from outside the apartment.
"I think it was absolutely the fact that he was doing his job as a police officer," defence attorney Stew Mathews told reporters after the verdict, according to the Louisville Courier-Journal.
"The jury felt like, you go out and perform your duty and your brother officer gets shot, you've got a right to defend yourself."
Ms Taylor's mother, Tamika Palmer, left without commenting, the Courier-Journal said.
Ms Taylor's family in 2020 won a $16 million wrongful death settlement from the city of Louisville.
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