In March 1913, labor agitator Mary Harris "Mother" Jones and forty-seven other civilians were tried by a military court on charges of murder and conspiracy to murder -- charges stemming from violence that erupted during the long coal miners' strike in the Paint Creek and Cabin Creek areas of Kanawha County, West Virginia. Immediately after the trial, some of the convicted defendants received conditional pardons, but Mother Jones and eleven others remained in custody until early May.

This arrest and conviction came in the latter years of Mother Jones's long career as a labor agitator....