"We must refuse to pass this onto another generation," the 21-year-old urged the nine justices on Wednesday.
Nikolas Cruz pleads guilty to 17 counts of first-degree murder at the trial of the Parkland school shooting.
"A trial is not the time for the attorneys to editorialize or give their opinions of a defendant," Circuit Judge Elizabeth Scherer said.
A Parkland father questioned the lack of attention given to children shot in Chicago, which has led to more kids' deaths than COVID-19 in the city. Andrew Pollack became an advocate for school safety after his daughter was killed in the high school shooting.
"You are wrong and either showing a lack of understanding or something more intentional veering on anti Semitism," Guttenberg told Representative Alexandria Ocasio-Cortez on Twitter.
Parkland victims' parents criticized the judge's decision and Ryan Petty wrote on Twitter that he wished a "technicality" could bring his daughter back.
Gutternberg's message came hours after a gunman killed eight people at a FedEx facility in Indianapolis.
President Biden is set to sign three executive orders targeting gun violence on Thursday, but student activists are calling on the president to do more with his executive authority.
"A child was just shot dead among three others in an office building, welcome to America," Parkland survivor Cameron Kasky tweeted on Thursday.
"NEVER stop fighting for the 2nd Amendment!" the NRA said, after Biden called on Congress to strengthen gun laws.
"Today you should be a senior in school. We should be celebrating love," Fred Guttenberg wrote in a Twitter thread marking the third anniversary of his 14-year-old daughter's murder.
Video has gone viral of the Georgia representative challenging Hogg who is fighting for tougher gun laws.
Representative Marjorie Taylor Greene (R-Ga.) has been outspoken about her support for fake conspiracies regarding election fraud and 9/11. She is being called on to resign after some social media posts resurfaced.
The video sees Biden comfort the son of Chris Hixon, the coach who died trying to save his students.
"She has no place in the Republican Party," said JT Lewis, who recently announced he was joining President Donald Trump's 2020 campaign team.
Fred Guttenberg, who lost his 14-year-old daughter in the Parkland shooting, said Bennett's comment "pushes for the possibility of gun violence."
In 1999, students, parents and educators were consumed with divergent explanations for the depravity of the shooting at Columbine High School in Littleton, Colorado.
The truth is, there's no good reason why these informed, free-thinking teens—a fair number of whom pay taxes—can't participate in federal elections.
Sheriff Scott Israel was removed from office by the Florida Senate over allegations he bungled the mass shooting in Parkland.
Paul Bedard is the star of the Animal Planet show "Gator Boys."
"Under what scenario could somebody think this was a good idea? This has me so upset," Fred Guttenberg tweeted.
"Our nation's greatest asset, our children, are the innocent victims of gun manufacturers' greed enabled by their corrupt lobby and our elected whores," Barry Schapiro wrote.
"You are using the pain of the victims of gun violence to speak in a way that allows you to look like you're going to do something but only to play games with their emotions," Fred Guttenberg said.
Boyert Shooting Center in Katy is promoting its week-long gun sale with a huge marquee outside its store.
I submitted my son Joaquin's basketball shoes. Before he was murdered in the Parkland school shooting, he wanted me to coach his basketball team.
"If I have an aggressive kid in my class and he gets a hold of my gun, what then?" asked one teacher.
"What [senators] voted for yesterday is to introduce guns into the everyday reality of school. It's going to increase the risk of gunfire and casualty in schools, not decrease it," Fred Guttenberg told Newsweek.
"Say it with me, and be loud for the folks in the back row: The American public does NOT approve of arming teachers," said a pollster and former teacher.
"I do not know if VP @JoeBiden will run for President. What I do know is that after meeting with him, I can honestly say that I do consider him to have been one of the most decent and genuine people that I ever met and I am in a better place today because of him."