The Nazguls for disturbing the peace in Bree and attempted murder (when Frodo was stabbed). 
Could also charge them with vehicular homicide (when they ran the poor gate watcher over. Can't remember if this happened in the books or not, I really need to read them again.)
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~|And all will turn, to silver glass. A light on the water, Grey ships pass, Into the West. |~ "Few now remember them...yet still some go wandering, sons of forgotten kings walking in loneliness, guarding from evil things folks that are heedless."
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