Tyler Robinson has been charged with the murder of right-wing US influencer Charlie Kirk.
The 22-year-old, from Washington, Utah, was charged with aggravated murder, weapon, and obstruction of justice offences ahead of a court appearance later on Tuesday.
Prosecutors said they would seek the death penalty and that Robinson’s DNA was found on the trigger of the alleged murder weapon.
A note was also found under his keyboard which said: “I had the opportunity to take out Charlie Kirk and I’m going to take it,” according to a charging document from prosecutors.
It is also alleged that the suspect ordered his roommate to delete “incriminating texts” about the killing and to stay silent if questioned by police.
When his roommate texted to ask if he was the “one who did it”, Robinson replied: “I am, I’m sorry,” prosecutors allege.
Robinson is said to have written in another text: “I had enough of his hatred. Some hate can’t be negotiated out.”
He also allegedly wrote he had been planning the shooting for just over a week.
The political activist, a close ally of US President Donald Trump, died after being shot in the neck with a bullet.
County attorney Jeff Gray said “aggravating factors” in the killing included that the “defendant is believed to have targeted Charlie Kirk based on his political expression and did so knowing children were present and would witness the homicide”.
The obstruction of justice charges relate to allegations that Robinson disposed of the weapon used in the killing, along with clothing he is said to have worn at the time.
Robinson has been held without bail since his arrest.
Investigators have spoken to Robinson’s relatives and have carried out a search at his family home, 240 miles (385km) southwest of where the shooting took place.
Image: Charlie Kirk moments before he was shot. Pic: Reuters/Trent Nelson/The Salt Lake Tribune
Mr Gray said Robinson had accused Kirk of “spreading hate” during a conversation with his father. He also allegedly described the university as a “stupid venue” for the influencer to hold an event.
After the shooting, the county attorney said the suspect confessed to his parents after they confronted him, telling them he shot Kirk because “there is too much evil in the guy”.
Robinson’s mother told police that her son had become more political and had “started to lean more to the left” in the past year or so, Mr Gray said.
He added that the 22-year-old had become more “pro-gay and trans-rights oriented”, according to his parents.
His mother said he had started to date his roommate, who was “transitioning genders”, prompting “discussions” with his father who had very different political views.
Robinson allegedly wrote in another message to his roommate that “since Trump got into office [my father] has been pretty diehard Maga”.
Children are among the fatalities in a mass shooting at a child’s birthday party in California.
Police said four people had died and 10 were wounded in the incident in Stockton, about 60 miles east of San Francisco.
Officers were called on Saturday to a banquet hall just before 6pm local time (2am UK time) and district attorney Ron Freitas said children were among the dead.
He said the attacker was still at large.
Image: First responders walk through a parking lot near the scene of a mass shooting in Stockton, California. Pics: AP
“We can confirm at this time that approximately 14 individuals were struck by gunfire, and four victims have been confirmed deceased,” San Joaquin County Sheriff’s Office said on X.
The post said early indications suggest it could be a “targeted incident” but that information remains limited.
Police have so far not disclosed the attacker’s identity and the motive is unclear.
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Stockton’s vice mayor Jason Lee confirmed on Facebook that the shooting on Lucile Avenue happened at a child’s birthday party.
Image: Pics: AP
Mayor Christina Fugazzi also said that “families should be together instead of at the hospital, standing next to their loved one, praying that they survive”.
Californiagovernor Gavin Newsom’s office added that he had been briefed on the “horrific shooting”.
Venezuela has accused Donald Trump of a “colonial threat” after he said the airspace “above and surrounding” the country should be considered closed “in its entirety”.
Mr Trumpmade the declaration amid growing tensions with President Maduro – and as the US continues attacking boats it claims are carrying drugs from Venezuela.
He wrote on Truth Social: “To all Airlines, Pilots, Drug Dealers, and Human Traffickers, please consider THE AIRSPACE ABOVE AND SURROUNDING VENEZUELA TO BE CLOSED IN ITS ENTIRETY.”
Image: Air traffic above Venezuela on Saturday afternoon. Pic: FlightRadar24
Venezuela’s foreign affairs office called it a “colonial threat” and “illegal, and unjustified aggression”.
It accused the president of threatening “the sovereignty of the national airspace… and the full sovereignty of the Venezuelan state”.
President Trump’s words were part of a “permanent policy of aggression against our country” that breached international law and the UN Charter, it added.
The Pentagon and the White House have so far not given any additional detail on the president’s statement.
Mr Trump’s post comes after the American aviation regulator last week warned of a “potentially hazardous situation” over Venezuela due to a “worsening security situation”.
Image: Nicolas Maduro is widely considered a dictator by the West. Pic: Reuters
The South American nation revoked operating rights for six major airlines that went on to suspend flights to the country.
Mr Trump warned a few days ago that land operations against suspected Venezuelan drug traffickers would begin “very soon”.
Such a move would be a major escalation in Operation Southern Spear – the US naval deployment in the Caribbean Sea and eastern Pacific that’s so far attacked at least 21 vessels.
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0:59
Three killed as US strikes another alleged drug boat
Venezuela has said the attacks, which have killed more than 80 people, amount to murder.
The US has released videos of boats being targeted, but hasn’t provided evidence – such as photos of their cargo – to support the smuggling claims.
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1:41
Venezuela claims Trump creating ‘fables’ to justify ‘war’
The Pentagon has sought to justify the strikes by labelling the drug gangs as “foreign terrorist organisations” – putting them on par with the likes of al Qaeda.
It claims the boats targeted are carrying drugs bound for the US, although Sky’s chief correspondent says the final destination is likely to be Europe and West Africa.
President Maduro has denied Mr Trump’s claims he is involved in the drugs trade himself and said his counterpart wants to oust him so he can install a more sympathetic government.
Venezuelan officials have also claimed Mr Trump’s true motivation is access to the country’s plentiful oil reserves.
Mr Maduro is widely considered a dictator who’s cheated elections and has been president since 2013.
Children are among the fatalities in a mass shooting at a child’s birthday party in California.
Police said four people had died and 10 were wounded in the incident in Stockton, about 60 miles east of San Francisco.
Officers were called to a banquet hall just before 6pm local time (2am UK time) on Saturday and local district attorney Ron Freitas said children were among the dead.
He said the attacker was still at large.
“We can confirm at this time that approximately 14 individuals were struck by gunfire, and four victims have been confirmed deceased,” San Joaquin County Sheriff’s Office said on X.
The post said early indications suggest it could be a “targeted incident” but that information remains limited.
Police have so far not disclosed the attacker’s identity and the motive is unclear.
More on California
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Stockton’s Vice Mayor Jason Lee confirmed on Facebook that the shooting on Lucile Avenue happened at a child’s birthday party.
This breaking news story is being updated and more details will be published shortly.