He was among the officers who responded to the gun and bomb attack on the Bataclan concert hall in November 2015.
The gunman who shot and killed a police officer on the Champs-Elysees in Paris was detained in February for threatening police and then freed.
Police have swooped on a home in a Paris suburb after a gunman opened fire on police on the Champs-Elysees boulevard, killing one officer and wounding three people before being shot dead.
Mourners are laying flowers and candles opposite the Bataclan concert hall ahead of a show by Sting to mark one year since the Paris terrorist attacks.
Lawyers for the only surviving suspect in last November's terror attack in Paris have said they will no longer defend him.