The Corona Police Department confirmed that the 19-year-old succumbed to his injuries on Saturday morning, saying in a statement that they 'extend their condolences to his family and friends'.
Barajas was watching a late-night screening of The Forever Purge with first date, Rylee Goodrich, 18, at a theater in Corona on Monday night when they were both shot.
Goodrich, who was also struck in the head, died at the scene. Barajas was rushed to hospital.
Jimmy Jiminez, 20, has been arrested over the 'random' attack. He was not said to have personally known either Barajas or Goodrich.Insurance Loans Mortgage Attorney Credit Lawyer
Anthony Barajas was also shot in the head as one of the bullets went through his eye
Goodrich and Barajas were watching 'The Forever Purge' on Monday when in a nearly empty movie theater when they were shot. It was their first date
The heartbreaking news comes one day after Goodrich's father confronted the alleged gunman as he appeared in court.
The dad of 18-year-old Rylee Goodrich, David, demanded for the suspect to look in his direction as Joseph Jimenez, 20, was led through the courtroom in handcuffs.
'Hey, look at me, bro! Look at me! Look at me, dude! That was my ...' the distraught parent said before breaking down in tears to be comforted by a friend.
Joseph Jimenez, 20 appears in the Riverside Hall of Justice, Friday, in Riverside, California. Jimenez did not enter a plea, opting instead to have his arraignment postponed until next week
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Jimenez, 20, is suspected of shooting two people, and killing one, inside a Southern California movie theater. He has been charged with murder and attempted murder, prosecutors said
Jimenez looked towards the father of one of the victims as he was led through the courtroom
Jimenez turned his for a moment towards the woman's father.
Goodrich, 18, and her boyfriend, Anthony Barajas, 19, a well-known TikTok user, were found late on Monday night by employees after a 9:35pm showing of The Forever Purge at a theater in Corona.
They had each been shot in the head. Goodrich died at the scene. Barajas was taken to a nearby hospital, where he remained on life support Friday, the Riverside County District Attorney's Office said in a statement.
Defendant Jimenez appeared in Riverside County Superior Court on Friday but didn't enter a plea and his arraignment was continued to next week.
Jimenez has been jailed since his arrest and he has been charged with murder and attempted murder. It's not clear whether he has retained an attorney who can speak for him.
Jimenez is alleged to have killed Rylee Goodrich, 18, above, by a bullet to the back of the head
There was no known connection between the victims and Jimenez, authorities said and he has no previous adult criminal record.
'Based on the evidence provided to our office, this appears to be a random and unprovoked attack,' the statement said.
Corona police detectives identified Jimenez as a suspect and arrested him on Tuesday, seizing a handgun of the same caliber as the one believed to have been used in the shooting.
Police recovered Goodrich's wallet and other possessions from Jimenez's home less than 24 hours after the shooting.
Rylee Goodrich's father, David, is seen leaving court on Friday after a brief court hearing
David could be heard shouting at Jimenez on camera 'Hey, look at me, bro! Look at me! Look at me, dude! That was my ...' before he broke down in tears to be comforted by a friend
Joseph Jimenez, 20, speaks with his attorney Charles Kenyon as he is charged with murder and attempted murder
David Goodrich (left), who works as a private investigator, told DailyMail.com his daughter Rylee met Anthony Barajas at a party on the July fourth weekend, and that she was excited to begin a relationship with him
There was only a small audience for the showing of the movie, with only six tickets purchased, police said.
The allegations filed against Jimenez include sentencing enhancements of personal use of a firearm causing death, personally inflicting great bodily injury and personal use of a firearm causing great bodily injury.
Prosecutors also filed a special circumstance allegation of lying in wait which makes him eligible to receive the death penalty.
On Friday night, two memorial events were held in honor of Rylee.
A remembrance and prayer service was held Friday evening at New Beginnings Community Church for Rylee Goodrich's parents, friends and other relatives.
A candlelight vigil it also to be held at the movie theater where she died on Saturday.
The New Beginnings Community Church Norco in Norco, California is used as a mourning place for family and friends of Rylee Goodrich
Friends and family mourn the death of Rylee Goodrich at the New Beginnings Community Church
Dozens of friends and family gathered on Friday night to mourn the death of Rylee Goodrich
People were spotted hugging one another as they made their way outside after a memorial service
Friends and family members embrace one another as they stand outside a church where a memorial service was held for Rylee Goodrich
A source close to the Corona Police Department said Jimenez told detectives he had been hearing voices.
Joseph Jimenez, 20, was arrested on July 27 and charged with murder, attempted murder, and robbery in a shooting that left a teen dead and a TikTok star on life support
But David said he believes the 20-year-old is merely trying to cut himself an insanity plea deal, and that the stolen wallet