We've just learned the guy who allegedly fired a handgun at Duane "Dog" Chapman has been booked for attempted homicide -- even though cops say they've found no physical evidence of a shooting.
Colorado Springs Police tell us there was no gun found on Hoang Nguyen's person, and they've yet to find a bullet hole or shell casing at the scene.
Cops says Nguyen was booked for attempted homicide simply based on the initial accusations by "Dog."
4/22/2009 12:01 PM PDT BY TMZ STAFF
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