The Chinese scientist who shocked the world with claims of creating the first genetically engineered babies is being detained in the Chinese city of Shenzhen, according to a report in The New York Times.

He Jiankui, a Chinese research scientist at the Southern University of Science and Technology and an entrepreneur involved in two Chinese biotech startups, made headlines and generated controversy when he announced he had used CRISPR to remove a gene which plays a role in enabling forms of the HIV virus to infect cells from the embryos of two twin girls born in November.

The international scientific community almost immediately condemned He for using the technology on human embryos and the Chinese government shut down He’s research almost immediately, according to The New York Times.

He Jiankui who shocked the science world by announcing he created the world’s first genetically edited babies had been missing since a November conference in Hong Kong.

— Paul Mozur (@paulmozur) December 29, 2018

He is apparently under the supervision of armed guards and is staying at a housing facility on the campus of the university where he performed his research that’s typically reserved for visiting professors.

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