A court sketch made on April 25, 2017, shows the serial killer Francis Heaulme during his trial in Metz, eastern France. Francis Heaulme, who is already serving a life sentence for six murders, is accused of the murder of two children, Alexandre Beckrich and Cyril Beyning, found dead on September 28, 1986 in Montigny-lcs-Metz. / AFP PHOTO / Benoit PEYRUCQ