LOUISVILLE, Ky. (AP) Their numbers have dwindled since protesters first flooded Louisvilles streets after police fatally shot Breonna Taylor in her home a year ago, but their push for justice has never waned.

A federal investigation of the shooting that has been quietly proceeding could be their last chance.

We cant expect people to continue to emotionally and mentally keep moving forward when there hasnt been any justice yet for Breonna Taylor, said Rep. Attica Scott, a state lawmaker who was tear-gassed and arrested during summer protests in the city. Weve been failed every single time from every level of government, and we need a freaking break.

That could come in the form of the ongoing inquiry by the U.S. Department of Justice, which appears to have expanded well beyond the actions of the three police officers who fired their guns into Taylors home on March 13, 2020. Last year, a grand jury formed by state Attorney General Daniel Cameron charged one officer with putting Taylors neighbors in danger but issued no charges related to her death.

The warrant that sent the police to Taylors home was not part of Camerons criminal investigation, but that document and how it was obtained are under review by federal investigators. And there are signs the investigation could range into the Louisville police response to protests after the shooting.

Taylors death initially flew under the media radar, as the COVID-19 crisis shut down society, but George Floyds death in Minnesota and the release of a chilling 911 call from Taylors boyfriend in late May sparked interest in the case.

Months of protests, police reforms and investigations followed. The city banned controversial no-knock warrants, hired a new police chief and paid a $12 million settlement to Taylors mother. Two of the officers who fired shots were dismissed from the department, along with a detective who sought the warrant.

Through it all, protesters continued to chant, Arrest the Cops! But that hasnt happened.

The federal investigation into her death will be slow and methodical, experts said, examining everything from what the officers may have been thinking that night to how they were trained leading up to the shooting.