A special grand jury was chosen in Uvalde, Texas, Friday to investigate the response to the 2022 massacre at Robb Elementary School, according to area newspapers.

A grand jury investigation would represent the first publicly known development within the criminal justice system amid all the investigations into the botched police response.

The San Antonio Express-News reports District Attorney Christina Mitchell told them the grand jury would review evidence related to the mass shooting, but declined to comment on any focus of the grand jury investigation. Jurors are expected to spend at least six months investigating the case, according to The Uvalde Leader-News.