[user104658]

As in they grew out of bona-fide Swedish fascist groups and were originally a white supremacist nationalist organisation. They officially "discarded" those links a decade or so ago, but many of their members and high profile faces were a part of those groups. Also note that this was long before the migrant crisis. So the core membership have a neo-fascist past and are unlikely to have changed; all that has changed is that they've capitalised on the migrant crisis to gain traction.