Sergeant accused in Afghan killings depicted as unhappy

Prosecutors focus on the work and home life complaints of Staff Sgt. Robert Bales, who could face court-martial in the March 11 massacre of civilians.

JOINT BASE LEWIS-McCHORD, Wash. — Military prosecutors Wednesday painted a picture of increasing frustration for Army Staff Sgt. Robert Bales — passed over for promotion at work, unhappy with his family — in the weeks before he allegedly killed 16 civilians in a middle-of-the-night shooting rampage in southern Afghanistan.

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