![What lies beneath: the secrets of France’s top serial killer expert What lies beneath: the secrets of France’s top serial killer expert](https://i.guim.co.uk/img/media/cb5820e4959fe02031f64e6574bd01e7601c053e/0_0_4576_2746/master/4576.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctZGVmYXVsdC5wbmc&s=a1f2cec3f94e9455d346c50d62ae615b)
![What lies beneath: the secrets of France’s top serial killer expert What lies beneath: the secrets of France’s top serial killer expert](https://i.guim.co.uk/img/media/cb5820e4959fe02031f64e6574bd01e7601c053e/0_0_4576_2746/master/4576.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctZGVmYXVsdC5wbmc&s=a1f2cec3f94e9455d346c50d62ae615b)
The long read: An intrepid expert with dozens of books to his name, Stéphane Bourgoin was a bestselling author, famous in France for having interviewed more than 70 notorious murderers. Then an anonymous collective began to investigate his past
Your Latest USA News