Morocco arrested a Swiss-Spanish double national on December 29 in connection with the killing of two Scandinavian tourists (pictured above), the counter-terrorism agency confirmed. Swiss-Spanish ‘instructor’ arrested in IS-inspired slaughter of Scandinavian tourists in Morocco https://t.co/TkUXSXHi65 — RT (@RT_com) December 30, 2018 The authorities said he also held Spanish nationality with residence in Morocco. The suspect…