Not just criminal, cutthroat scum, but mega-delusional as well:
"Spain has been a serious target for Islamic State because of its five-centuries-old land claims to the territory of Melilla and Ceuta, on the African continent bordering Morocco. The Counter-Terrorism Project reports: 'Spain's current anxieties are exacerbated by ISIS, al-Qa'ida, and other Islamist groups' vows to 'reconquer' what they refer to as 'al-Andalus',' the historic Arabic name for the Iberian mainland. Up until the late 15th century, large parts of Spain and Portugal were under the control of an Islamic caliphate. Spain is thus considered part of 'occupied lands' by jihadists and a legitimate target for re-inclusion in a future Islamic Caliphate. A Spanish-speaking ISIS member declared in 2014, 'I tell you, Spain is the land of our forefathers, and, Allah willing, we are going to liberate it, with the might of Allah...'
"Last year Islamic State called on its followers to attack Spanish tourist sites to avenge the crimes committed by Spain against Muslims, referring to the bloody 1212 Battle of Las Navas de Tolosa where 60,000 Muslims were killed." (Tougher controls thwarted attacks, Jacqueline Magnay, The Australian, 19/8/17)