I was Fort Hood killer’s confidant, says cleric

Anwar al-Awlaki says he did not order the killing, but that it was 'permissable under Islam'

Hasan: why the US Army missed all the omens

Alexander Cockburn: If Hasan hoped for a reward of virgins, their gender may have been an issue

Obama: no faith justified the killings at Fort Hood

President speaks at memorial service as FBI admits it underestimated Hasan threat

Washington sniper’s ex: ‘I know why he did it’

The former wife of John Allen Muhammad believes he planned to murder her

Evidence of extremism as Fort Hood killer awakes

Hasan 'tried to contact al-Qaeda' months before deadly rampage at Texas army base

Fort Hood killer dreaded deployment to a war zone

After 13 die at Texas base, why was killer's fragile state not spotted by psychiatrists?

Rampage at Fort Hood

A US Army psychiatrist has shot dead 13 people

Picture Past: June 10, 1933, strike gun fight

1933: deputies and strikers fought outside a factory in Cambridge, Pennsylvania