Wipers are skilled at either temporarily or permanently erasing memories, an invaluable asset in espionage. Experience will dictate the accuracy of their wipes, though there is always the danger that they will eliminate a desired memory. Wo Chiang, a fisherman who lives on a dock, is a Wiper who uses his powers on those who request it for money. He also erases part of Nick's and Kira's memory, and saves Cassie from Pop Girl by sneaking behind her and wiping her memory enough to, seemingly, knocking her unconscious.
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