After investigation, Pan Kaicheng, Taiwanese, who used to be engaged in telecom scam activities in Korea, has been the core person of PTFX. After that, Pan, together with the gang of 20 or so colleagues in domestic and Singapore, engaged in telecom scam again. The pyramid sale team counterfeited the IBM Capital Corporation to to scam victims, which has been cracked down by the Vietnamese police. Cases spans across Henan, Jiangsu, Hebei, Shandong, Zhejiang, Hubei and Beijing has been address with.