http://abcnews.go.com/US/jared-loughner-alleged-tucson-shooting-gunman-appears-court/story?id=12580344Accused Tucson Shooter Jared Loughner Won't Speak to Investigators
By JESSICA HOPPER, EMILY FRIEDMAN and DEVIN DWYER
The man accused of the Tucson massacre is refusing to speak to investigators as the nation prepares to mourn the six people killed in the attack as well as 14 others who were wounded.
Among the injured is Rep. Gabrielle Giffords, the target of alleged gunman Jared Loughner's shooting rampage. Giffords remains in critical condition in a medically induced coma and with part of her skull removed to ease pressure on her brain.
Loughner is scheduled to appear in court today, but so far officials say he is refusing to cooperate or speak with investigators.
Loughner has invoked his right to remain silent for the last 48 hours, saying "not a word," Pima County Sherriff Clarence Dupnik said.
Dupnik said investigators believe Loughner acted alone and is not part of a broader conspiracy...