20 children died in the Sandy Hook shooting. For a decade, their parents have been told it was a hoax.

"Jesse was real. I am a real mum," Scarlett Lewis told a courtroom, as she stared into the eyes of a prominent conspiracy theorist.

"There are records of Jesse's birth. Of me. I have a history," she continued, her voice exasperated but firm.  

Lewis found herself sitting in a courtroom having to prove her son's existence, because according to the man in front of her, she's a liar. 

She's a paid actress. 

She belongs to the 'deep state.' 

Her son, Jesse, wasn't real. 

Six-year-old Jesse Lewis was one of 20 children aged six and seven murdered in the Sandy Hook Elementary School shooting alongside six teachers, on December 14, 2012, in Newtown Connecticut. 

Watch Scarlett Lewis' testimony. Post continues after video.

But Alex Jones, a conservative, alt-right radio show host and prominent conspiracy theorist was convinced it was a hoax. 

In fact, on the day of the shooting - as the world reeled from the tragedy before them - Jones spent 50 minutes on his show, InfoWars, telling listeners, "Why did Hitler blow up the Reichstag? To get control. Why do governments stage these things? To get our guns! Why can't people get that through their head?"

He didn't stop there. For years, he and his fans have harassed the grieving relatives of the Sandy Hook massacre claiming they are "crisis actors" in a government plot.

Jesse's parents, Lewis and Neil Heslin, have been fielding death threats since their son died, describing the ongoing trauma and harassment as a "living hell."

Jones has been spreading conspiracy theories about Sandy Hook since 2012. Image: AAP/STRMX. 

While he's not sure if Jones was the original instigator of the conspiracy theories, he claims the radio shock jock "lit the match and started the fire."

Heslin told the court how he lay holding his son with a bullet hole through his head in a horrendous final moment with his little boy. 

But according to Jones, and his show, Heslin never held Jesse. That was a lie. 

In a 2017 broadcast, Jones demanded to know if Heslin actually held his son’s body and actually observed a bullet hole in his head. 

"It seems so incredible to me that we have to do this - that we have to implore you, to punish you - to get you to stop lying," said Jesse's mum Lewis in her testimony.

Jesse Lewis. Image: Facebook. 

Heslin and Lewis are among several Sandy Hook families who have filed several lawsuits alleging that Sandy Hook hoax claims pushed by Jones have led to years of abuse.

In August, a Texas jury ordered him to pay more than US $4 million (significantly less than the $150 million sought) to Jesse's parents alone, in compensatory damages. 

Then the jury told him to surrender another US $45.2 million (for a total of $A78 million) to the grieving family.

Now, in October, a second jury has ordered him to pay US $965 million ($A1.5 billion) in damages to eight more families. 

"Every single one of these families (was) drowning in grief, and Alex Jones put his foot right on top of them," their lawyer told the court. 

The trial was marked by weeks of anguished testimony from the families, who filled the gallery each day and took turns recounting how Jones' claims about Sandy Hook compounded their grief. 

"I never intentionally tried to hurt you."

In 2019, with multiple lawsuits from families before him, Jones gave an explanation for his conspiracy theories. 

"I, myself, have almost had like a form of psychosis back in the past where I basically thought everything was staged, even though I've now learned a lot of times things aren't staged," he said during a sworn deposition. 

"So I think as a pundit, someone giving an opinion, that, you know, my opinions have been wrong, but they were never wrong consciously to hurt people." 

He said it was the "trauma of the media and the corporations lying so much" that caused him to distrust everything.

His show was pulled off YouTube, Facebook and Twitter in 2018, but before that, it had been sprouting Sandy Hook conspiracies to more than 2.4 million subscribers. 

Jones has also claimed other horrific attacks, like 9/11 and the Boston Marathon bombing, were nefarious government plots aimed at tightening control over Americans. 

During his August testimony, Jones apologised, telling the court Sandy Hook was "100 per cent real."

"It was... especially since I’ve met the parents. It’s 100 per cent real," he said.

"I never intentionally tried to hurt you," Jones said, addressing Jesse's parents. "I never even said your name until this case came to court. I didn’t know who you were until this came up."

Again and again in court, his lies were undone before the jury. 

Two years worth of Jones' text messages and emails were accidentally sent to Jesse's parent's lawyer, revealing that he'd lied about receiving Sandy Hook correspondence. 

Even as the trial was preparing to go ahead, Jones was telling his show that it was "rigged" against him, and that the jury pool were people who "didn't know what planet they're on."

He said the lawsuit was an attack on his First Amendment rights. 

During the latest trial, he refused to apologise in court, telling the jury he's "done" apologising for pushing the conspiracy theory.

"Is this a struggle session? Are we in China? I’ve already said I’m sorry hundreds of times and I’m done saying I’m sorry," he said.

These conspiracy theories, fuelled along by Jones, have snowballed over the years, leaving dozens of grieving families shattered. 

27 victims were killed on December 14, 2012 in the Sandy Hook mass shooting. 

They were gunned down by 20-year-old Adam Lanza, who used a rifle to carry out the massacre before killing himself. 

Six teachers died; Rachel D'Avino, Dawn Lafferty Hochsprung, Anne Marie Murphy, Lauren Rousseau Mary Sherlach and Victoria Soto. 

The victims of the 2012 Sandy Hook shooting. Image: CNN. 

20 children died; Charlotte Bacon, six, Daniel Barden, seven, Olivia Engel, six, Josephine Gay, seven, Dylan Hockley, six, Madeleine Hsu, six, Catherine Hubbard, six, Chase Kowalski, seven, Ana Marquez-Greene, six, Emilie Parker, six, James Mattioli, six, Grace McDonnell, seven, Jack Pinto, six, Noah Pozner, six, Caroline Previdi, six, Jessica Rekos, six, Avielle Richman, six, Benjamin Wheeler, six, Allison Wyatt, six, and Jesse Lewis, six. 

These parents should never have had to appear in a courtroom in the first place. 

But this is what happens when conspiracy theories are left to fester and grow. 

Grieving families are forced to prove the worst day of their lives, actually happened. 

Jones' lawyers have said they hope to void most of the payout in the Texas case before it is approved by a judge, calling it "excessive under state law."

Feature Image: YouTube/Facebook.