Good evening.

For more than six months, CNN has continuously pursued the question of what went wrong in

the police response of Rob Elementary School in Newvalda, Texas.

Twenty-one people were brutally murdered, including 19 children.

And yet parents tell our reporters that much of what they have learned about why it took

authority, 77 minutes, to stop the government once he entered the school and why the overlapping

law enforcement agencies that arrived didn't follow accepted active shooter protocol.

Most of it has come from our own reporting.

CNN Shaman Pro-Kypes has been breaking new details about the response from months

now confronting law enforcement officials trying to get answers since the tragedy unfolded.

Tonight, Shaman has more new reporting about what did and did not happen in those 77

minutes that it took police to confront the killer.

He joins us now from Texas with some new information we learned just moments ago about

Uvalda's sheriff.

What would he be learned?

Yeah, that's Ruben Nalasco, who's the sheriff of Uvalda County.

What we're learning now is that according to the Texas Commission on Law Enforcement

and also an expert that was hired by the Uvalda County to review the policies of the sheriff's

office on that day, we've discovered that the sheriff, according to these records, has

not actually had any kind of active shooter training.

We also learned today that on that day, on May 24th, and really for several months after

that Anderson, that the Uvalda County Sheriff, there was no active shooter policy in place

...