Okay, we're not exactly sure how this works, but it's...bizarre. Seems that a trio of scammers are preying upon the elderly Chinese American community in SF (no, not Ed Jew). What's interesting is their technique. See, a woman and two men approach their victim, telling them that they look sick. One of the suspects then "fills a teacup with water and invites the victim to stick a finger in the cup, explaining that it......