Families of gun violence victims are using artificial intelligence to recreate their loved ones' voices and taunt lawmakers who oppose gun control on the sixth anniversary of the Parkland massacre. 

The robocall messages are being sent to senators and House members who support the National Rifle Association and Second Amendment rights in a campaign that launched on Valentine's Day, Wednesday, according to the Associated Press. Manuel and Patricia Oliver, whose son Joaquin "Guac" Oliver died in the 2018 high school shooting in Parkland, Florida, said the campaign run through The Shotline website is intended to spur Congress to ban the sale of guns like the AR-15 rifle. 

"We come from a place where gun violence is a problem, but you will never see a 19-year-old with an AR-15 getting into a school and shooting people," Manuel Oliver told the Associated Press in an interview. "There’s a reason for the gun violence in a Third World country. There’s no reason for the gun violence and the amount of victims in the United States."

The Olivers, immigrants from Venezuela, became activists after Joaquin and 13 other students at Marjory Stoneman Douglas High School were murdered by a 19-year-old killer with a rifle. Three staff members were also killed in the attack, which shocked the nation. 

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Manuel and Patricia Oliver

Manuel and Patricia Oliver, the parents of Joaquin Oliver, one of the victims of the 2018 mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla., sit for an Associated Press interview in Coral Springs, Fla., on Friday Feb. 9, 2024. The Olivers are launching a campaign where re-created voices of gun violence victims will call federal lawmakers. The recordings re-creating voices of victims from around the country are being robocalled to U.S. senators and House members who oppose stricter gun laws. (AP Photo/Cody Jackson)

After Joaquin's murder, the Olivers founded Change the Ref, which is sponsoring The Shotline with March for Our Lives, a gun control advocacy group created by Stoneman Douglas students. Both recruit young people through nontraditional demonstrations like the AI calls and "die-ins," where students protested inside a supermarket chain that donated to a pro-NRA politician.

"When you keep being traditional ... listening over and over and over to the same people lecturing you with the same stats, nothing changes," Patricia Oliver told the Associated Press.

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A memorial for Joaquin Oliver and other Parkland shooting victims

Mariana Rocha (C), holds her son Jackson as she observes a photo of her cousin Joaquin Oliver (R) at a memorial on the fifth anniversary of the Marjory Stoneman Douglas High School mass shooting at Pine Trails Park on February 14, 2023 in Parkland, Florida. On February 14, 2018, 14 students and three staff members were killed during a mass shooting at the school. (Saul Martinez/Getty Images)

The Olivers and families of five other victims of gun violence gave an AI company audio of their deceased loved ones, which was used to re-create their voices.

A message based on Joaquin's voice identifies him and then says, "Many students and teachers were murdered on Valentine’s Day ... by a person using an AR-15, but you don’t care. You never did. It’s been six years, and you’ve done nothing."

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Manuel Oliver protester escorted out of Biden event

Manuel Oliver, the father of a child who died during the Parkland, Fla., school shooting, is escorted out of an event on the White House South Lawn after interrupting President Biden's remarks on gun control on July 11, 2022.  ((Mark Meredith/Fox News))

It continues, "I died that day in Parkland. My body was destroyed by a weapon of war. I’m back today because my parents used AI to re-create my voice to call you. Other victims like me will be calling too, again and again, to demand action. How many calls will it take for you to care? How many dead voices will you hear before you finally listen?"

Other victims whose faked voices were used in the campaign include 23-year-old Akilah Dasilva, one of four people slain during a 2018 shooting at a Waffle House restaurant in Tennessee, and 10-year-old Uziyah Garcia, who died in the 2022 massacre at a Uvalde, Texas, elementary school. 

The Olivers were involved in a similar campaign during the 2020 presidential election, when they used AI to create a deep-faked video of Joaquin urging young people to vote for candidates who support gun control. Critics at the time said the campaign was done in poor taste and accused the Olivers of politicizing their son's death.

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Manuel Oliver faced criticism for his aggressive style of protest. He uses profanities in speeches and in 2022 was arrested after he climbed a construction crane near the White House, unfurling a banner that demanded President Biden enact stricter gun laws. 

In July that year, Oliver was kicked out of a White House event after he shouted at the president while Biden was speaking. 

The Associated Press contributed to this report.