orrections & Clarifications: A previous subheadline in this story misstated that the Uvalde school district police chief wouldn’t be sworn into his elected City Council seat. he 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.

State police initially said the teacher, who has not been identified, propped the door open with a rock and did not remove it before the gunman entered. 

“We did verify she closed the door. The door did not lock. We know that much and now investigators are looking into why it did not lock," Travis Considine, chief communications officer for the Texas Department of Public Safety, said Tuesday.Meanwhile, volunteers have flooded into Uvalde from around Texas to help as the first funerals began Tuesday for the students and teachers killed last week, including funeral directors, therapy dogs, florists and others.