【基本案情】2011年5月12日上午11时,李某和刘某分别在同一家邮政储蓄所办理取款业务,期间李某和刘某分别填写好3000元和2万元取款单据。储蓄所营业员核对后先将李某的3000元现金递出,李某取走存款;然而营业员在没有抬头核对2万元现金及10元利息的接款人是否为取款人刘某的情况下,只是在喊两声刘某后将现金递出,李某趁营业员和取款人刘某不注意之际,冒充刘某将2 [Basic facts] May 11, 2011 at 11 am, Lee and Liu, respectively, at the same postal savings for cash withdrawal business, during which Lee and Liu were filling good 3000 yuan and 20,000 yuan withdrawal documents. Lee checked the cashier before the cash of 3,000 yuan, Lee took the deposit; however, the salesperson did not look up in check 20,000 yuan in cash and 10 yuan interest is the withdrawal of money lenders Liu money, Just shouted twice Liu will be handed out cash, Lee while the salesperson and withdrawals Liu do not pay attention to the occasion, posing as Liu will be 2