The antiterrorist prosecutor's office was not seized and an investigation was opened for deliberate killings.

The wife of the man who stabbed Thursday four officials of the Paris Police Prefecture told investigators "unusual and agitated behavior" of her husband the night before, was learned Friday source close to the record, which Europe 1 is able to confirm.

Placed in custody on Thursday, the wife of this 45-year-old administrative officer, shot dead by a police officer, was heard by the investigators of the Criminal Brigade. The searches carried out Thursday at the couple's home in Gonesse (val-d'Oise) have not revealed any evidence to support the hypothesis of a violent radicalization of this man, converted to Islam 18 months ago, has said this source close to the file. The computer equipment seized during the search was still under review Friday, she added.
Thursday, between 12:30 and 13:00, this man born in Fort-de-France has sown death in the very heart of the Prefecture of Police (PP) of Paris, located in the historic heart of the capital, which includes the main directions of the Paris police with the exception of the judicial police. He worked as a computer scientist in the technical department of the Directorate of Intelligence of the Prefecture of Police (DRPP) and suffered from deafness. He had been working at the Prefecture of Police since 2003.

Between 12:30 and 13:00, with a kitchen knife, he first fatally wounded two policemen and an administrative officer of the DRPP, in two offices on the first floor of the building, according to a source close to the investigation. He then went after two women: a policewoman, fatally wounded, and an employee. A policeman from the Directorate of Public Order and Traffic (DOPC) then ordered him, unsuccessfully, to release his knife, before slaughtering with his service weapon. Another official was injured and taken to the hospital. From a judicial source, the vital prognosis of the two wounded is not engaged.