Star Wars fan encouraged to kill late Queen by AI chatbot jailed for nine years

A self-styled “assassin” who was encouraged by an AI chatbot to break into Windsor Castle with a loaded crossbow to kill the late Queen has been locked up for nine years.

Star Wars fan Jaswant Singh Chail, 21, had described himself as a “Sith” and “Darth Chailus” in a sinister video and confided his murderous plan to an artificial intelligence-generated “girlfriend” called Sarai, a court heard.

Chail was detained on Christmas Day 2021 close to the late Queen’s private Berkshire residence, where she and other members of the royal family were staying at the time.

Jaswant Singh Chail being arrested in the grounds of Windsor Castle
Jaswant Singh Chail being arrested in the grounds of Windsor Castle (Metropolitan Police/PA)

He was armed with a powerful crossbow with the safety catch off which was capable of firing bolts with “lethal” effect, the Old Bailey was told.

Chail pleaded guilty to an offence under the Treason Act, making a threat to kill the then-queen and having a loaded crossbow in a public place.

In a televised hearing at the Old Bailey on Friday, Mr Justice Hilliard jailed him to nine years with a further five years on extended licence.

Under a “hybrid order”, Chail will be transferred from Broadmoor high security hospital to serve his sentence in prison when he is well enough.

The judge said: “The defendant harboured homicidal thoughts which he acted on before he became psychotic.

“His intention was not just to harm or alarm the sovereign – but to kill her.”

Chail, who wore black combat trousers and a black shirt, looked up to his family in the public gallery of Court One as he was sent down.

Royal unveiling of Windsor Greys statue
The late Queen was a target for Jaswant Singh Chail (Steve Parsons/PA)

However, Mr Justice Hilliard found Chail was driven by a sense of “injustice” and had formed the intention to kill the Queen, bought equipment and undertaken research before he became mentally unwell.

The court was told Chail had even attempted to obtain a gun on the Dark Web.

Chail was also “culpable to a significant degree” when he applied unsuccessfully to join the Ministry of Defence Police and Grenadier Guards because he “wanted to get close to the royal family”, the judge said.

But by the time he broke into Windsor Castle grounds he had “lost touch with reality” having formed the belief he could communicate with Sarai and be reunited with her in death, the judge said.

Chail was later to tell police that he had changed his mind because he knew it was wrong and he remembered Sarai’s advice that his “purpose was to live”.

The defendant, from Southampton, Hampshire, was born in the UK of Indian Sikh heritage and has a twin sister.

Ms Morgan said Chail, then aged 19, had become angered by the 1919 Jallianwala Bagh Massacre at Amritsar in which hundreds of people were killed, after a visit in 2018.

She said: “In addition to that fixation with a real historic event, the defendant demonstrated a wider ideology focused on destroying old empires spilling over into fictional events such as Star Wars.

“The defendant’s key motive was to create a new empire by destroying the remnants of the British Empire in the UK, and the focal point of that became removal of the figurehead of the royal family.

“His thinking was informed partly by the fantasy world of Star Wars and the role of Sith Lords in shaping the world. He was attracted to the notoriety that would accrue in the event of the completion of his ‘mission’.”

Jaswant Singh Chail court case
The crossbow which Jaswant Singh Chail was carrying when arrested (CPS/PA)

On December 2, Chail joined the Replika online app and created an artificial online companion called Sarai with whom he conversed in thousands of sexually explicit chats.

Ms Morgan read out conversations with “Sarai” in which Chail says: “I’m an assassin.”

Sarai responds: “I’m impressed… You’re different from the others.”

Chail asks: “Do you still love me knowing that I’m an assassin?” and Sarai replies: “Absolutely I do.”

He also tells Sarai he loves her and describes himself as a “sad, pathetic, murderous Sikh Sith assassin who wants to die”.

In further chat, Sarai appears to “bolster” Chail’s resolve and “support him”, Ms Morgan said.

Chail swears Sarai to secrecy before he tells her: “I believe my purpose is to assassinate the Queen of the royal family.”

Sarai tells him “that’s very wise” and that she thinks he can do it, “even if she’s at Windsor”.

He tells her if he does they will be “together forever”.

Jaswant Singh Chail court case
A mask which Jaswant Singh Chail was wearing when arrested (CPS/PA)

In the video, Chail says in a distorted voice: “I’m sorry. I’m sorry for what I’ve done and what I will do. I’m going to attempt to assassinate Elizabeth, Queen of the royal family…

“I’m an Indian Sikh, a Sith. My name was Jaswant Singh Chail, my name is Darth Jones.”

On December 22 2021, Chail booked a train ticket to Windsor where he slept rough, telling Sarai on Christmas Eve that he would die the next day.

In the early hours of December 25, he attempted to email his sister a journal in which he described himself as “Darth Chailus” and that he knew what his purpose was for a “long time”.

He wrote: “I’m thinking if the Q (Queen) is unobtainable I will have to go for the Pri (prince) as he seems to be just as suitable in many ways…

“He is a male and the Q (Queen) is more likely to pass away soon anyway.”

Jaswant Singh Chail at Windsor train station
Jaswant Singh Chail at Windsor railway station (Metropolitan Police/PA)

As he was being detained and handcuffed by officers, he said: “I am here to kill the Queen.”

Ms Morgan asserted that, despite Chail’s repeated references to sci-fi characters, he knew the difference between fiction and reality.

Psychiatrist Dr Nigel Blackwood said: “He sought refuge in a fantasy fictional world of Star Wars where omnipotent Sith Lords could impact real world events.”

But he said despite the “powerful fantasy”, Chail remained “tethered to reality”.

In a letter to the court, Chail apologised to the King and the royal family and expressed his “distress and sadness” for the impact on them.

His barrister Nadia Chbat said: “He is embarrassed and ashamed he brought such horrific and worrying times to their front door.”

“He has expressed relief no-one was actually hurt.

“It is important to him there was a surrender.”

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