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Jared Loughner was alone again.

The only clue about the desert pursuit that has turned up is the black bag recovered Thursday at the intersection of the two washes. Inside, they found the same caliber of ammunition Loughner bought at Walmart.

Loughner’s escape route took him up the wash, past the back of a post office, to where the dry stream bed opens into a broader swath of desert. In this part of suburbia, brush-choked expanses are never far away.

Eventually, Loughner returned to the Circle K he’d visited three hours earlier.

He was carrying two extended pistol clips that hold up to 31 bullets, along with two 15-round magazines, a four-inch buck knife, a Visa card, his driver’s license and cash in a plastic bag.

Authorities said a cab picked him up at 9:41 a.m.

His destination was a Safeway store — and a violent confrontation with Gabrielle Giffords.

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Associated Press Writer Jacques Billeaud in Phoenix and Pete Yost in Washington contributed to this report.