BOOKER: The FBI admits information should have been sent to the FBI field office in Miami, adding, quote, "where appropriate investigative steps would have been taken".
Cruz is accused of opening fire Wednesday afternoon at Marjory Stoneman Douglas High School in Parkland, killing 17 people.
"Under established protocols, the information provided by the caller should have been assessed as a potential threat to life", it goes on.
"We are still investigating the facts", said FBI Director Christopher Wray.
"We truly regret any additional pain this has caused".More news: Ryan Blaney: Wins Can-Am Duel 1
Jack Sawyer, 18, detailed his intentions in a journal he titled "Diary of an Active Shooter", and recently bought a shotgun, according to Vermont State Police Major Glenn Hall.
Four Durham Public Schools were on lockout Friday after reports of a possible shooting nearby.
The FBI admission comes as it was revealed that the agency also failed to fully investigate a tip about Cruz last September.
"Politicians and more importantly the American public must take action if we're going to prevent the next shooting", Hogg says.
And after posting disturbing material on social media including photos posing with guns and dead animals, Cruz finally snapped in what authorities say was a premeditated attack on Valentine's Day.More news: NASA's K2 Mission Discovers 95 New Extrasolar Planets
However, FBI agents had no information pointing to the "time, location or true identity" of the person behind the message, Robert Lasky, special agent in charge of the FBI's Jacksonville office, told reporters. "We see the tragic consequences of those failures", he said in a statement. He also said there was no connection found to South Florida.
The FBI ignored a tip last month that the accused Majory Stoneman Douglas High School killer was risky and at risk of committing a school shooting.
Ben Bennight, a Gulfport bail bondsman who goes by "Ben the Bondsman" on YouTube, said in a video posted Wednesday night that he spoke to Federal Bureau of Investigation agents in September about a comment left on one of his videos by someone with the username "nikolas cruz". "The FBI Director needs to resign". Add Florida School Shooting as an interest to stay up to date on the latest Florida School Shooting news, video, and analysis from ABC News.
Local law enforcement say they have not verified alleged ties to a white supremacist group, but it seems Cruz displayed a white supremacist ideology: A classmate said he talked about how white people were better than black and Latino people.More news: Canada's Lee pulled onto Czech Republic bench during hockey game
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