More details are emerging around the background of the Afghan national who allegedly shot two National Guard soldiers in Washington DC. 

Both soldiers remain critically injured after yesterday's shooting, while the suspect's in custody. 

The FBI says the shooter had worked with the CIA in Afghanistan and had immigrated to the US in 2021. 

US Correspondent Richard Arnold told Mike Hosking the suspect was reportedly troubled by his work with a CIA paramilitary force in Afghanistan. 

Arnold says the group was also accused of civilian killings. 

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