US authorities have charged four people for their alleged roles in a fraudulent cryptocurrency investment scheme that cost victims more than $80 million. Lu Zhang, a 36-year-old woman from Alhambra, California; Justin Walker, 31, of Cypress, California; Joseph Wong, 32, of Rosemead, California; and 40-year-old Hailong Zhu, of Naperville, Illinois, have all been charged in relation to the alleged "pig butchering" scam that saw targets approached via dating sites and social media. "Pig butcherin

US authorities have charged four people for their alleged roles in a fraudulent cryptocurrency investment scheme that cost victims more than $80 million. Lu Zhang, a 36-year-old woman from Alhambra, California; Justin Walker, 31, of Cypress, California; Joseph Wong, 32, of Rosemead, California; and 40-year-old Hailong Zhu, of Naperville, Illinois, have all been charged in relation to the alleged "pig butchering" scam that saw targets approached via dating sites and social media. "Pig butcherin