PHNOM PENH, Cambodia (AP) — Cambodia’s government announced Wednesday that it has arrested and extradited to China a prominent tycoon who allegedly led a huge online scam operation and was wanted by U.S. authorities on related criminal charges. A press release from Cambodia’s Interior Ministry said Chen Zhi and two other Chinese citizens were arrested and extradited Tuesday following months of investigation and at the request of Chinese authorities. Chen, a Chinese native with dual nationality, had his Cambodian citizenship revoked in December, it said.