Group 1 - The article highlights a case of stock investment fraud where an individual, Mr. Zhang, was lured by a so-called "investment expert" promising guaranteed profits through social media and live streaming [1][2] - The fraud involved the use of deceptive tactics such as fake success stories, enticing investment groups, and the creation of a sense of urgency to manipulate victims into investing more money [2][3] - Authorities emphasize the importance of skepticism towards claims of "risk-free" investments and the necessity of using legitimate investment platforms to avoid scams [3] Group 2 - The article describes how scammers utilize various online channels to attract potential victims with promises of insider information and high returns, creating a false sense of security [2] - Victims are often encouraged to download suspicious apps and join investment groups where they are bombarded with fabricated testimonials and pressure to invest further [2] - The police warn that once victims attempt to withdraw their funds, they are met with numerous obstacles and demands for additional payments, leading to total loss of their investments [2][3]