FWS, which has encouraged the use of guard dogs, temporary electric fences and non-lethal ammunition such as bean-bag rounds, is getting on better with the ranchers, though relations with the hunters are still frosty.

ECONOMIST: Endangered species

Seven boxes of ammunition were found after the rampage in a black bag discovered in a dry river bed in Loughner's neighborhood.

CNN: STORY HIGHLIGHTS

Authorities, however, did find a bag containing two small caliber handguns and more ammunition for the weapons near 17th St. and Constitution Ave.

CNN: Secret Service detains man after 'unusual' behavior near White House