In 2008, he was involved in a polemic with Philippe Val (former director of the magazine Charlie Hebdo) and journalist Edwy Plenel in relation to the Clearstream affair.

On 3 February 2011, after ten years of litigation, Robert was cleared by the Court of Cassation of his conviction for both of his books Révélation$ and La Boîte noire, as well as for his documentary film Les Dissimulateurs.

Also in 1996, Robert gathered seven anti-corruption magistrates to start the Appel de Genève (Geneva Appeal), to create a European judicial area to fight financial crime more effectively.

In Portrait de groupe avant démolition, Robert presented and illustrated a collection of street photographs of homeless persons taken by one of their own, René Taesch.

He was also the writer of successful novels: Happiness (Original title : Le bonheur), an erotic book written in 2000 and translated into 14 languages; Une ville, published in 2004, which was adapted as a TV series; and La domination du mode, which appeared in 2006.

The same year, he also published a novel on football Le milieu du terrain which resulted in several lawsuits, and an investigative book, Clearstream, l’enquête; the latter is very rare, because its sale was prohibited and it was removed from bookstores for almost a month.

Three months before the publication of his book Révélation$, Robert sent a series of registered letters in which he sought explanations from Clearstream's management and from the banks under investigation.

Robert held Cedel International (now known as Clearstream) responsible for being one of the major platforms for concealing financial transactions on a worldwide scale.

The parliamentary commission on money laundering, chaired by Vincent Peillon and Arnaud Montebourg, took up the revelations[4] and summoned witnesses, all of whom confirmed what the author had written.

Deutsche Börse had been waiting a long time to acquire this clearing house, which allowed it to control the European markets from start to finish.

Deutsche Börse compensated André Lussi, but still maintained the lawsuits against Robert (hiring Charlie Hebdo's attorney Richard Malka,[5] among others).

In light of those developments, Robert wrote a second novel, La Boite Noire, and a second movie, broadcast by Canal+, l'Affaire Clearstream racontée à un ouvrier chez Daewoo.

[8] On 29 March 2004, the 17th Chamber of the Criminal Court of Paris convicted Robert for defamation, both for his book Révélation$ and for his documentary film broadcast on Canal+, on the subject of the activities of the financial institution.

At last, in February 2011, Robert won these three cases in Court of Cassation, which highlighted the seriousness of the investigation, freedom of expression and the public interest.

In an ironic twist of fate, it is the European judicial area that he contributed to build with the Appel de Genève that allowed this procedure in the Luxembourg justice system.