Jared Loughner's behavior recorded by college classmate in e-mails  —  In early June, Lynda Sorenson, 52, had gone back to community college in Tucson in hopes of getting back on the job market.  One of her classes was a basic algebra class—and one of her classmates was Jared Loughner …

Suspect Fixated on Giffords  —  Accused Gunman Went to Congresswoman's Event in 2007; ‘I Planned Ahead’  —  TUCSON, Ariz.—Accused gunman Jared Lee Loughner appeared to have been long obsessed with U.S. Rep. Gabrielle Giffords.  —  A safe at Mr. Loughner's home contained a form letter …

Suspect's Odd Behavior Caused Growing Alarm  —  TUCSON — In a community college classroom here last June, on the first day of the term, the instructor in Jared L. Loughner's basic algebra class, Ben McGahee, posed what he thought was a simple arithmetic question to his students.

Conservative pundit says criticism of Palin like ‘McCarthyism’  —  A conservative pundit on Monday ripped liberals who have suggested that Sarah Palin is to blame for the shooting tragedy in Arizona.  —  During an appearance on C-SPAN's “Washington Journal,” Bill Kristol …

Shooting suspect's nihilism rose with isolation  —  TUCSON, Ariz. (AP) — At an event roughly three years ago, Rep. Gabrielle Giffords took a question from Jared Loughner, the man accused of trying to assassinate her and killing six other people.  According to two of his high school friends …

Carolyn McCarthy readies gun control bill  —  One of the fiercest gun-control advocates in Congress, Rep. Carolyn McCarthy (D-N.Y.), pounced on the shooting massacre in Tucson Sunday, promising to introduce legislation as soon as Monday targeting the high-capacity ammunition the gunman used.

Exclusive: Loughner Friend Explains Alleged Gunman's Grudge Against Giffords  —  In a MoJo interview, the friend shares a message sent hours before the massacre.  —  Post Comment  —  At 2:00 a.m. on Saturday—about eight hours before he allegedly killed six people and wounded 14 …

Tragedy marks turning point for Palin  —  With a long list of enemies, a taste for incendiary rhetoric and responsibility for a campaign website graphic that placed gunsight logos on a map of targeted congressional districts, it didn't take long for Sarah Palin to get pulled into the orbit of Saturday's massacre in Tucson.

United in Horror  —  When John F. Kennedy visited Dallas in November of 1963, Texas was awash in right-wing anger — over perceived cold-war betrayals, over desegregation, over the perfidies of liberalism in general.  Adlai Stevenson, then ambassador to the U.N., had been spit on during his visit to the city earlier that fall.