According to recent reports from local police, one Brussels suicide bomber built the explosives that terrorized Paris in November 2015.

The suicide bombers who detonated two bombs in Zaventem Airport were identified as Ibrahim El Bakraoui and Najim Laachraoui. Khalid El Bakraoui, the brother of one Brussels suicide bomber, is accused to detonating a bomb in Maelbeek Station an hour later. Belgian authorities are conducting a manhunt for a fourth suspect, still unidentified.

Laachraoui helped make the bombs that exploded at the Stade de France back in November. Luckily, Laachraoui’s first bombs were thwarted by a stadium security guard who discovered one bomber’s suicide vest before letting him inside. The explosions only killed four people, including the three suicide bombers.

Police believe the arrest of Salah Abdeslam caused Laachraoui and his accomplices to speed up their plans. In fact, Abdeslam might have had a hand in the Brussels attacks. One of the apartments Abdeslam hid inside before his capture was rented by the Bakraoui brothers.

At least 31 were killed and 300 wounded in Tuesday’s attacks.

[New York Times]

[CNN]