For man behind gene-edited babies, a rocky return to science


              FILE - Chinese researcher He Jiankui speaks during the Human Genome Editing Conference in Hong Kong on Nov. 28, 2018. He made his first public comments about his claim to have helped make the world's first gene-edited babies. (AP Photo/Kin Cheung, File)
            
              FILE - Chinese scientist He Jiankui speaks at a brief press conference in Beijing on Feb. 21, 2023. (AP Photo/Mark Schiefelbein, File)
            
              FILE - Chinese scientist He Jiankui speaks at a brief press conference in Beijing on Feb. 21, 2023. (AP Photo/Mark Schiefelbein, File)
            
              FILE - Chinese scientist He Jiankui arrives to speak at a brief press conference in Beijing on Feb. 21, 2023. He, a Chinese scientist who set off an ethical debate five years ago with claims that he made the world's first genetically edited babies, said that he hopes to research rare hereditary diseases in Hong Kong. (AP Photo/Mark Schiefelbein, File)