Rocker behind Megadeth gems like "Killing Is My Business... And Business Is Good!" says we're "turning into Nazi America"

Nope, nothing to see here… just Megadeth frontman Dave Mustaine, a noted birther, adopting a freshly concocted conspiracy claiming President Barack Obama was somehow responsible for recent mass shootings in Colorado and Wisconsin.

"Back in my country, my president is trying to pass a gun ban," Mustaine said at a concert in Singapore last week. "So he's staging all of these murders, like the Fast and Furious thing down at the border and Aurora, Colorado, all the people that were killed there. And now the beautiful people at the Sikh temple."

The accusation, that Obama staged the massacres in order to justify a gun ban, drew a seemingly confused reaction from audience members, as captured by video footage (above).

Mustaine continued: "I don't know where I'm gonna live if America keeps going the way it's going because it looks like it's turning into Nazi America."

On July 20, a gunman opened fire on a crowded movie theater in Aurora, Colorado during a screening of "The Dark Knight Rises," killing 12 people and injuring 58 others. The suspect, James Holmes, was arrested on the scene and is being held.Two weeks later, on Aug. 5, a white supremacist named Wade Michael Page walked into the Sikh Temple of Wisconsin, in Oak Creek, and killed six people and wounded four others before shooting himself.

In the wake of the shootings, Obama voiced his support for reinstating the federal assault weapons ban, which expired in 2004 after 10 years.

No fan of Obama, Mustaine made his birther views loud and clear in a March interview with radio host Alex Jones. "With all of the proof about his birth certificate being fake. And you see the signs in Kenya that say 'the birthplace of Barack Obama.' Hello?! C'mon, guys. How stupid are we right now?"

In February, the fiercely political metal pioneer praised then-GOP candidates Rick Santorum while casting doubts on eventual nominee Mitt Romney.

"I was floored the other day to see that Mitt Romney's five boys have a $100 million trust fund," he told MusicRadar.com. "Where does a guy make that much money?"

Megadeth's latest album, "Th1rt3en," topped the Hard Rock albums chart upon its release late last year. Past albums include the metal classics "Peace Sells… But Who's Buying?" (1986), "Rust In Peace" (1990) and "Countdown to Extinction" (1992), which contained their lone Hot 100 entry, "Symphony of Destruction" (No. 71 in 1992).