As new details emerge that change the police narrative of what happened during the Robb Elementary School massacre last week, the school district police chief who led the law enforcement response had not responded to investigators for two days, a public safety official said Tuesday.

Uvalde school district police department chief Pete Arredondo, who was sworn in as a newly elected city council member Tuesday, did an initial interview with the Texas Rangers, which is investigating the shooting, but hasn’t responded for a follow-up interview in two days, said Travis Considine, spokesperson for Texas Department of Public Safety, on Tuesday. 

Meanwhile, state authorities now say that the teacher who police said left a door propped open minutes before the gunman entered the school and killed 19 children and two teachers had actually closed the door, though it did not lock.

The new development adds to a list of revised accounts from authorities of the May 24 school shooting, including the amount of time before law enforcement officials entered the classrooms where the gunman was shooting and details about officers’ interactions with the gunman. 

On Wednesday, more services were scheduled in Uvalde, with funerals planned for Jose Flores Jr., 10, and teacher Irma Garcia, 48. Garcia’s husband, Joe Garcia, 50, who died suddenly after visiting a memorial site at the school, will also be laid to rest.

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Here’s what we know.

Uvalde school police chief not responding to investigators 

Arredondo, the school district police chief in charge of the law enforcement response to the elementary school shooting, has not responded to the Texas Rangers in two days for a follow-up interview, Considine told the Austin American-Statesman, part of the USA TODAY Network, on Tuesday.