Police and prosecutors believe podcast host Adam Grandmaison's life really was in danger when a guy busted in during his live stream and put a gun to his head ... 'cause the suspect's been charged, and he's still behind bars.
The hip-hop host of the "No Jumper" podcast -- known as Adam22 -- was violently interrupted while recording his show Sunday when the gunman pointed his weapon at Adam and threatened his life.
According to the L.A. County D.A.'s office ... the suspect, 24-year-old David Tran, has now been charged with one count of attempted second-degree robbery. He's still in custody and being held on $100k bail.
After video of the scary moment surfaced, many skeptics wondered if Adam staged it for publicity. Adam spoke to us and made it clear -- it was 100 percent real and serious, and everyone was fortunate there were no deaths ... especially the gunman.
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As we reported ... Adam's security at his BMX and clothing store took control of the situation by quickly taking the guy down, and Adam ended his live stream and called the cops.
Adam had a sense of humor about the ordeal too ... saying, "One minute you're tweeting jokes about f***ing cats and the next minute you got a gun to your head."