Admitting the agency's failure, Lasky said that the investigators were unable to find the commenter and the comment's origins.
Millions have been sold around the United States, and AR-15-style rifles were used in the mass shootings in Las Vegas, Sutherland Springs, Texas and Newtown, Connecticut. Future voters at South Broward High School have left classes to protest for better gun control.
The FBI is already under intense scrutiny for its actions in the early stages of the investigation into Russian meddling in the 2016 presidential campaign. The startling admission came as the agency was already facing criticism for its treatment of a tip about a YouTube comment posted last year.
"This is imperative and we must do better", Sessions wrote, noting that the Department of Justice would make it a "top priority".
He said the FBI conducts a risk assessment to evaluate the probability of an occurrence, times the gravity of the impact, which was devastating in this circumstance.
The FBI confirmed on Thursday they had been made aware of the comment at the time. "Neighbours and classmates knew he was a big problem". Investigators have yet to confirm a motive. We constantly promote and see something and a courageous person did just that to the FBI and the FBI failed to act. As he huddled in his classroom at Marjory Stoneman Douglas High School last Wednesday listening to shots ring out nearby, what he felt wasn't fear, but anger.
Her mother also paid tribute to her daughter on social media writing, "Alyssa was a talented soccer player, so smart, and amazing personality, incredible creative writer, and all she had to offer the world was love".
During the mass shooting, Trump's reactions where different and he did not mention gun laws at all.
President Donald Trump tweeted yesterday that he plans to meet relatives of the victims, many of whom attended a vigil for those killed.
There is no evidence that the NRA provided marksmanship training to Cruz or any other JROTC members. Pat Toomey reached across the aisle to Democratic Sen.
Since the tip line opened, it has received more than 2 million calls that resulted in thousands of actionable tips and leads for special agents and intelligence analysts, the FBI says.
"If you're not traumatized by this, it's probably not a good sign", Director of the Counseling Center Andrew King said.
"We have determined these protocols were not followed", said the FBI. I was and am still angry.
Cruz, 19, would instead have a life sentence, said Broward County public defender Howard Finkelstein. The agency contacted Bennight following the shooting and spoke to him for about 20 minutes. Could more be done to recognize warning signs and mandate mental health screening without violating a person's civil rights?