[1] According to Radio France Internationale, the media outlet he worked for, Abba's reportage comprised issues surrounding refugee movement, political asylum and amnesty, assimilation, and society.

His repertoire also included writing about Boko Haram's movement in West Africa, as well as their territory, strategies and beliefs, and most importantly, terrorist attacks.

Abba was arrested en route from a press briefing in the Cameroonian city of Maroua, after having met with a local governor there on July 30, 2015.

[8] After spending months in jail, Abba was summoned on August 17 to give his defense before the appeals court,[9] which did not overturn his previous sentence.

On December 16, 2017, Abba was honored as an International Press Freedom Awardee by the Committee to Protect Journalists, at their annual convention in New York.