Since 2014, the Düsseldorf police  in the so-called "Casablanca"-project had registered 2,200 suspects from North Africa who were supposedly criminally active, in Düsseldorf.
The Düsseldorf police said on 6 January 2016 that they were now investigating whether any of those suspects were involved in the theft and sex crimes on Cologne New Year's Eve 2015–16.
Since 2014, the Düsseldorf police  in the so-called "Casablanca"-project had registered 2,200 suspects from North Africa who were supposedly criminally active, in Düsseldorf. The Düsseldorf police said on 6 January 2016 that they were now investigating whether any of those suspects were involved in the theft and sex crimes on Cologne New Year's Eve 2015–16.
2015–16 New Year's Eve sexual assaults in Germany