Core Viewpoint - The article highlights a case of investment fraud where an individual was scammed out of over 400,000 yuan by following misleading investment advice from supposed "mentors" and "assistants" through various apps [1][3]. Group 1: Fraud Mechanism - The victim, Mr. Tang, was lured by a video promoting free stock trading lessons, leading him to scan a QR code and connect with a "senior assistant" [1]. - After being encouraged to download the "Zhixiang Qilian" app, Mr. Tang was gradually convinced to invest more money as he was promised high returns by a person claiming to be "Teacher Wu" [2]. - Mr. Tang transferred a total of over 400,000 yuan to various accounts after being shown corresponding investment shares on the "Chuangyue" app, only to find out later that he had been scammed when he attempted to withdraw funds [3]. Group 2: Police Findings - Local police identified a clear pattern in these types of fraudulent investment schemes, indicating a systematic approach used by scammers to exploit victims [4].