Spanish authorities are investigating the possibility that Islamic extremists may have entered Europe disguised among the approximately 60,000 migrants who surged into the Spanish North African enclave of Ceuta. Police are reportedly analyzing footage of the mass border breach and are actively searching the enclave for individuals with potential ties to jihadist groups.

This concern arises as some migrants who successfully crossed into Ceuta have reportedly admitted to violent crimes during interviews. Spanish news website ElConfidencial, citing Interior Ministry sources, reported that while the threat of international terrorism is often used in anti-immigration rhetoric, there is a genuine concern on this occasion that jihadists could have exploited the crisis to reach European soil.

Security forces are prioritizing the identification and location of dangerous individuals among those who have not returned to Morocco. Amid the initial chaos of the influx, some migrants publicly stated that they had previously been deported from Spain and other European Union countries after serving sentences for serious crimes, and that they used the confusion to re-enter Ceuta. Others reportedly mentioned time spent in Moroccan prisons for violent offenses.

Intelligence officers from the Civil Guard and the National Police are reviewing video footage from the border and within the city, as well as utilizing informants, to identify individuals with criminal records or suspected extremist links. The investigation includes scrutinizing videos of migrants who spoke to the media about their criminal histories and seeking out those who were more discreet.

One migrant, a 35-year-old, recounted to Spain's Cuatro channel his previous experience in Europe. He stated he was deported from the Netherlands after living in Barcelona, where he admitted to getting into trouble, including a bottle attack on another man. After fleeing Spain, he was detained in the Netherlands and spent six months in a migrant holding center before accepting €2,000 to return to Morocco, avoiding a potential five-year prison sentence for the assault. He attributed his past actions to falling under bad influences but claimed to be on a different path now.

Another migrant told the same program that he had been linked to a death in Morocco and had crossed into Ceuta to escape those issues.

The border town of Fnideq, the closest Moroccan urban center to Ceuta, has historically been a significant source of individuals joining Islamist extremist groups. In 2015, an estimated 400 out of 1,200 Moroccans who had traveled to Syria and Iraq to join ISIS were believed to be from Fnideq. One notable individual from the town, Mohamed Hamaduch, also known as Kokito Castillejos, gained notoriety for posing with severed heads and reportedly died in Syria in late 2015.