Martin Ney, a German detainee already convicted of similar facts, was indicted Monday evening for the kidnapping and murder of Jonathan, 11, in April 2004, whose body was found in a pond near Guérande ( Loire-Atlantique), announced the prosecution on Tuesday.
The man, handed over to the French authorities on Friday, was indicted for "murder of a minor under 15 and arrest, kidnapping and kidnapping, or arbitrary diversion of minors under 15", according to the same source .
French investigators were following the trail of Martin Ney, a former children's educator.
Since 1992, the German police have been on the trail of this dangerous predator having the particularity of kidnapping its victims in closed places such as summer camps.
As with Jonathan, the attacker then got rid of his prey far enough from the place of the abduction.
"The man in black", so nicknamed in Germany because always dressed in dark according to witnesses, was wanted in particular for four homicides committed between 1992 and 2001 and a series of sexual assaults.
In 2011, he was finally arrested in Germany.
Sentenced to life imprisonment the following year, he categorically denies any responsibility for Jonathan's death.
But as Le Parisien - Today in France had revealed, Martin Ney confessed at the end of 2017 to a fellow inmate having committed the kidnapping and murder of Jonathan, giving very precise details.
Since October 2019, he had been the subject of a European arrest warrant.