The 21-year-old Tunisian behind the attack that killed three in a Nice, France, church had small-time run-ins with the law as a teen, but nothing that alerted Tunisian authorities to possible extremist leanings.
That missing red flag meant that when he eventually was served an expulsion order from Italy, which he reached illegally by boat, he was basically free to go where he pleased. So Ibrahim Issaoui then traveled apparently unimpeded to France.
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