Spanish media have said Abouyaaqoub was suspected of being the driver, who fled after the attack.
In September of 2012 at an art and wine festival in Lafayette, California, Tucker opened his heart to Nunes, a teacher and the mother of a teenage son.
In little more than a year, Islamist militants have used vehicles as weapons to kill nearly 130 people in France, Germany, Britain, Sweden and Spain.
Officials identified 7-year-old Julian Cadman, a dual British and Australian citizen who has been missing since the rampage, as one of the victims killed.
It's 8 a.m. on Sunday, and as tired partygoers spill out of Barcelona's nightclubs, a line is forming at Antoni Gaudi's spectacular Sagrada Familia cathedral - the jewel in Barcelona's crown. Five suspects were shot dead, while a Spanish woman died in the attack. After escaping from the carnage he helped create in Barcelona, he joined a second group of terrorists in the sea-side town of Cambrils. Bomb squad officers deployed a robot to get near the prone body, only then learning that the suicide vest was a fake, they said.
"There has been a change in the community since he arrived more than two years ago", said Moha.
Meanwhile, it has emerged that the apparent ringleader of the attacks - Imam Abdelbaki es Satty - had links to one of the men behind the 2004 Madrid attack.
Another four suspects have been arrested, a Spaniard and three Moroccans, one of whom is Moussa's older brother Driss, 27.
He was shot to death when he opened his shirt to reveal what looked to be explosives and cried out "Allah is great" in Arabic, regional police chief Josep Luis Trapero said. The cell had collected 120 gas canisters and were planning a "much more serious attack" that was probably thwarted by an accidental explosion on Wednesday. Its motto of 'Love for all and hatred for none' is evidenced through the peaceful actions of its millions of followers.
Police already have four people in custody they believe are connected to the attacks.
But most recently, police believe, the young men were drawn together by an imam and an alleged plot to murder on a massive scale - an extraordinary secret for 12 people to keep for months on end.
The city's vice mayor, Jordi Bort, told CNN the house belonged to a bank and that the group had been squatting there illegally without its knowledge.
However, following the shooting, Spanish police said the international probe into the Barcelona attack remained open.
One woman who was close to multiple attackers and who heard Es Satty's sermons said the imam repeatedly preached about jihad and killing infidels.
A union official for Spain's Civil Guard told the Associated Press that he was one of five suspected terrorists killed following the attacks.
"Everything points to that", he added.
The van reportedly used in the attack.
"He was so energetic, funny and cheeky, always bringing a smile to our faces", his family said. Police said on Sunday that Essati had not been connected to previous terrorism-related investigations but that an unidentified friend of his had been implicated.