民警火速上门劝阻，11万元血汗钱保住了

Core Insights - The article highlights a case of a woman falling victim to a fraudulent investment scheme disguised as a stock trading course and stock recommendation service [1][2]. Group 1: Fraud Mechanism - The victim, identified as Ms. Wang, was lured into the scam after purchasing a stock trading course online and downloading an investment app, where she interacted with a self-proclaimed "stock master" [1]. - The scammer promised high returns with zero risk, claiming that even if there were losses, the team would compensate for them, which led to the victim lowering her guard [1][2]. - After initial small profits and successful withdrawals, the scammer encouraged Ms. Wang to withdraw 110,000 yuan (approximately 11 million) in cash for a "safer" offline transaction, aiming to eliminate traceability of the funds [2]. Group 2: Law Enforcement Response - Local police received a tip-off about Ms. Wang's suspicious cash withdrawals and intervened just in time to prevent her from handing over the cash to the scammers [1][3]. - The police emphasized that the investment apps or websites used by scammers are often fabricated, and the displayed profit data can be easily manipulated [3]. - Authorities advised victims to preserve evidence and report such scams immediately to prevent financial loss [3].