A man fatally shot four people Wednesday outside of Phoenix before being found dead, authorities say. Among the victims was a girl between 1 and 2 years old. There are concerns about possible hazardous materials in 55-gallon drums in the backyard, The Associated Press reports, slowing the investigation.

Al-Qaida leader Osama bin Laden was frustrated with "regional jihadi groups and his seeming inability to exercise control over their actions" in the last few years before he was killed by U.S. Navy SEALs.

That's "the most compelling story to be told," according to an analysis of some documents seized from bin Laden's Pakistani compound in the May 2011 raid that ended with his death, West Point's Combating Terrorism Center reported today.

There were 365,000 first-time claims for unemployment insurance filed last week, down 27,000 from the week before, the Employment and Training Administration reports.

The Chinese activist who left the U.S. Embassy but then had a change of heart tells NPR from his hospital bed that he wasn't prepared for what would happen after leaving diplomatic protection.

While the signs so far point to suicide, there aren't yet any really revealing clues to why former NFL star Junior Seau apparently killed himself Wednesday.

About all there is so far is a hint that, in retrospect, Seau may have said some goodbyes. The San Diego Union-Tribune reports that:

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Earlier this week, President Barack Obama and Afghan President Hamid Karzai signed a strategic partnership agreement in the Afghan capital Kabul. The deal put a spotlight on a future Afghanistan that does not include a massive number of American and NATO troops.

The fate of Chinese legal activist Chen Guangcheng remains uncertain one day after he left the U.S. embassy in Beijing.

Former NFL linebacker Junior Seau was found dead of a gunshot wound to the chest, in what authorities believe is an apparent suicide. His body was discovered at his home in Oceanside, Calif., Wednesday. Seau was 43.