[11] In September 2021, he was fined €1500 after Valeurs actuelles was found guilty of hate speech for publishing a seven page fictional story about La France Insoumise politician Danièle Obono in which the magazine depicted Obono as being captured and enslaved in the 18th century.

[14] In 2023, media group Vivendi, mainly owned by billionaire Vincent Bolloré, announced that it would be acquiring the weekly newspaper Le Journal du Dimanche and appointing Lejeune as its new editor-in-chief.

"[15] Human rights group Reporters Without Borders stated that the appointment would "threaten editorial independence in journalism.

"[16] In response to Lejeune's appointment, the staff of Le Journal du Dimanche launched a strike, leading to the newspaper missing publication two consecutive weeks for the first time in its history.

[17] Lejeune is the author of a political novel (Une élection ordinaire), published in 2015, in which conservative essayist Éric Zemmour is elected as the President of France.