Jared Loughner, whose shooting rampage in the parking lot of a Tucson supermarket killed six people and injured 14 others, will make his first appearance in a federal court in Phoenix on Monday at 4 pm ET/2 pm MT, to face charges he attempted to assassinate Congresswoman Gabrielle Giffords.

As Breaking Celebrity News previously reported, Loughner's been characterized as social outcast whose esoteric political beliefs put him on the fringe. As of Monday morning, he was officially charged with a count of attempted assassination of a member of Congress; two counts of killing an employee of the federal government; and two counts of attempting to kill a federal employee, with more charges expected on the way.

On Monday morning, Pima County, Arizona Sheriff Clarence Dupnik said Loughner acted alone, and that so far, he has refused to talk to authorities.

Public defenders said they'd hoped San Diego attorney Judy Clarke -- who's defended infamous crimina