What We Know About the Man Who Allegedly Tried to Assassinate Donald Trump

The man who wanted to kill the likely GOP candidate had a back-up plan in case his first attempt failed.

More details about the man who cops say wanted to assassinate Donald Trump  during a Las Vegas campaign rally have emerged.

Read: Feds: Man Arrested at Rally Said He Tried to Grab Cop's Gun So He Could Kill Donald Trump

Michael Sandford was taken down at the Trump rally Monday when he allegedly attempted to grab a police officer’s gun.

His plan, he told cops, was to "shoot and kill Trump.”

The 20-year-old is a British citizen and in the country illegally on an expired visa. His mother, Lynne, told court researchers he was treated for obsessive compulsive disorder and anorexia in the past and is autistic. He has previously attempted suicide.

As a teen, Sandford fought killer robots in the British TV series, Robot Wars. 

According to New York Daily News, Sandford had two high-powered robots that featured pneumatic axe weapons. One robot, named Steel Avenger, had a ramming blade. Another robot, Mr. Nasty, had a steel ramming spike for shunting and piercing.   

Sandford arrived in America 18 months ago and lived for a time in Hoboken, New Jersey.

According to a criminal complaint, he told the Secret Service he had been planning his assassination attempt on Trump for a year. The day before the rally, he went to the Battlefield Las Vegas gun range where he practiced firing a 9mm Glock pistol.

Sandford stood in line for nine hours outside the Treasure Island Casino to get into the rally. As Trump took the stage, the would-be assassin struck up a conversation with a police officer and then tried to grab his gun.

Read: House Speaker Paul Ryan Blasts Trump's Judge Comments As 'Textbook Racism'

Cops say the young man told them he had a backup plan in case he lost his nerve. He had tickets to Trump's next rally in Phoenix where he planned to make a second attempt.

The Secret Service said Sandford has been charged with violating two federal laws, including assault. He could face up to a decade in prison if he is convicted. Other charges are pending as the incident is still under investigation.

Sandford has not yet entered a plea.

On Tuesday morning, Donald Trump Jr. told ABC that this makes him worried for his father. 

"I am a son, I love my dad. I love what he is doing for this country. There are a lot of sociopaths in this country," he said. 

Trump's son also said that he is happy with how the law enforcement handled the situation and thanked them for their work. 

Watch: Report: Trump Fires Presidential Campaign Manager After Ivanka Threat: It's Him or Me

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