A man who was previously convicted of terrorism and pledged allegiance to ISIS killed a French police commander and his partner at their home in Magnanville in an horrific attack France’s president says was “incontestably” a “terrorist act.”

Larossi Abballa, 25, posted video of the killing online during the rampage, referencing the so-called Islamic State, The Guardian reports.

The officer was named as Jean-Baptiste Salvaing. His partner has not yet been identified, but she was also a police employee.

A List of Targets, Including Other Police Officers, Politicians & Journalists, Was Found at Abballa’s Home

Abballa, who was born in France and called himself Mohamed Ali on Facebook, was killed in a SWAT raid that saved the slain couple’s 3-year-old son, who was being held hostage inside the home, authorities said.

The attack came as France hosts the 2016 UEFA European Championship soccer tournament and is in a heightened state of security as a result. The country has been under a state of emergency since the November 2015 attacks in Paris by ISIS terrorists.

Abballa was sentenced to three years in prison for “criminal association in view to preparing terrorist attacks,” for recruiting jihadis to Pakistan and Afghanistan, The Guardian reports.

He was 20 at the time of that 2011 conviction and was released from prison in September 2013.

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