Federal troops arrived on the 22nd, ostensibly to prevent further violence. A labor newspaper that wrote about the strike was suppressed. Three weeks later, the strike collapsed completely and the miners returned to work. No one was found guilty as a result of the massacre, despite an inquest into the death of Tom Manning. During the inquest, Anaconda employees testified that a shot had been fired at them from a boarding house across the street, something which residents of the boarding house disputed. Cross-examination of witnesses by union attorneys suggested that the Anaconda employees had received coaching to make their stories align. Anaconda attorneys attempted to undermine their accusers by pointing out that some of the miners had recently immigrated to the United States. In the end, the jury declared that Manning had been killed by a bullet but that the bullet had been fired by unknown persons, and his death is still officially unsolved.