The surgeon, Emmanuel Masmejean, had posted the image of a young woman's forearm penetrated by a Kalashnikov bullet in the November 2015 assault.
The 18-year-old said he wanted to avenge the republication of cartoons of the Prophet Mohammed by the satirical weekly, which in January 2015 was targeted in a massacre carried out by gunmen.
The suspect was identified as a 40-year-old Algerian PhD student. This is the latest in a string of attacks that has prompted Macron to form new umbrella counterterrorism task force will all the country's intelligence agencies.
The two Frenchmen found with weapons and propaganda material have been arrested for planning an "imminent and violent attack" before the first round of France's presidential election on Sunday, interior minister tells reporters.
The manhunt went on for two days after authorities found homemade explosives at his apartment in the eastern city of Chemnitz.
The attacker, a 25-year-old Frenchman of Moroccan origin, was later shot dead by members of an elite police unit.
Lawyer of Paris attacks suspect Salah Abdeslam announces that he has been charged over deadly shootout with police officers which took place just days before Brussels attacks
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2022 TRT World.