Throngs of reporters waited hours Monday to get their first look at the mysterious man accused of a deadly shooting rampage that left Rep. Gabrielle Giffords critically wounded.

Authorities on Sunday charged a 22-year-old man described as a pot-smoking loner with trying to assassinate Rep. Gabrielle Giffords and killing others at a political event, revealing that he had scrawled on an envelope the words "my assassination" and "Giffords."

Federal prosecutors brought charges Sunday against the gunman accused of attempting to assassinate Rep. Gabrielle Giffords and killing six people at a political event in Arizona.