According to the prosecution the killers left the nearby Mount Vernon estate, where they lived at the time of the stabbing, and carried out their assault.

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But compared to other time-killers, she thinks the phone is a good option.

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"The Killers were fairly unknown at that time, but we became friends when we were staying in London at the Columbia, which is sort of a rock 'n roll hotel, three beds to a room, " he said.

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