Transcript for Barcelona terror suspect may have fled the country

Overseas to Barcelona where the investigation into the terror attack is widening. Authorities say the suspect may have fled the country as they investigate whether this terror cell may have ties across Europe. Here's James Longman. Reporter: The manhunt for the suspected driver of Thursday's deadly attack crossing international borders tonight. Police saying that Younes abouyacoub could be in France. Stepped up security and vigilance on both sides of the border with France, as Spanish authorities increase police presence at major tourist spots. Here is the alleged driver in CCTV footage, just 18 hours before the attack. Authorities say his I.D., also found in that white van that plowed down pedestrians. And we now know abouyacoub's credit card paid for all three vehicles that were part of the plot. Officials now confirming that ingredients of the explosive TATP found in this home, destroyed just days before the Spanish attack, matches those used in the deadly plots in Paris and Brussels. In Barcelona, relatives of the 14 killed including Jared tucker from California remembering their loved ones. His wife Heidi telling ABC news -- He was the most kind person I have ever met. And he loved so deeply. He loved me more than -- more than I ever deserved. Reporter: Police believe the driver of the van is the only member of the 12-man terror cell still at large, as they examine the possibility of links to other extremist groups across Europe. Tom? James, thank you. And the investigation into

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