Report that draws from interviews with family members, phone information and testimony given to lawmakers offers the most complete account yet of shooter

Before shooting 21 people to death at Robb elementary in Uvalde, Texas, the killer had threatened suicide, menaced women, stockpiled guns and accessories and made a video of himself riding around while holding a dead cat, according to a preliminary report from a committee of Texas state lawmakers investigating the massacre.

The story of 18-year-old gunman Salvador Ramos – as portrayed in the report released Sunday – is one of red flags that caretakers and officials of all kinds largely missed until he went to his former fourth grade classroom and murdered 19 students as well as two teachers on 24 May in one of the deadliest school shootings ever in America.

Nearly 400 officers from myriad agencies went to the school, but were stymied by a lack of coordination, report details

There were “systemic failures and egregious poor decisionmaking” involved in the deadly school shooting at Robb Elementary school in Uvalde, Texas, a committee of state lawmakers investigating the massacre has found.

The 77-page report from the Texas legislature – released Sunday – details glaring failures in the years leading up to and during the 24 May shooting that left 19 students and two teachers dead, along with 17 others wounded.

Pete Arredondo is blamed for police waiting 77 mins before intervening as 19 children and two teachers were killed

The police chief for the Texas elementary school where a gunman killed 19 children and two teachers has been placed on administrative leave amid outrage that officers did not intervene sooner to stop the shooter.

Under the command of Pete Arredondo, the police chief for the Uvalde school district, officers held back for about an hour and 15 min outside the classrooms where an 18-year-old with an AR-15 had opened fire on children and teachers, according to the Texas state police.

Timeline published in local news reports suggests police in Uvalde had ability to confront gunman far earlier during May attack in which 21 died

Multiple police officers armed with rifles and at least one ballistic shield were at the site of the Robb elementary school mass shooting in Texas within 19 minutes, earlier than previously known, according to a timeline in documents reviewed by local media.

The information revealed by the Austin American-Statesman and KVUE-TV is to be presented to a public Texas Senate hearing in Austin on Tuesday.

Unidentified officers said they feared hitting children outside the school, chief deputy tells the New York Times

Two Uvalde city police officers passed up a fleeting chance to shoot a gunman outside Robb elementary school before he went on to kill 21 people inside the school, a senior sheriff’s deputy told the New York Times.

That would mean a second missed opportunity for officers to stop Salvador Ramos before the 24 May attack inside the school that killed 19 children and two teachers. Officials said that a school district police drove past Ramos without seeing him in the school parking lot.