House Panel Seeks F.B.I. Investigation Into Doping by Chinese Swimmers

Zhang Yufei, competing in the Olympic Games at Tokyo, tested positive for a performance-enhancing drug months earlier.The House select committee on China has asked the Justice Department and F.B.I. to investigate reports that Chinese authorities covered up positive doping tests for nearly half the swim team it sent to the last Olympic Games and that the global antidoping regulator failed to take action.

In a letter sent late Tuesday, the committee asked that the authorities use a law passed in 2020 in the wake of another doping scandal, involving Russia, that gives the Justice Department the power to criminally prosecute those who help athletes dope at international competitions, regardless…