The tale of the experiment behind the birth of the first gene-edited humans has historical significance but continues to resemble an incomplete puzzle. I had hoped to find a few more hints and answers about the He Jiankui affair in the 2022 docufilm “Make people better” directed by Cody Sheehy, but now that I finally got to see it I must confess to a bit of disappointment. The impression is of being faced with a bricolage job executed with several valuable elements (never-before-seen footage and audio recordings) and too many random materials. It must be said that the task was difficult, for at least two reasons.