action oriented, clearly against the kim regime and clearly keen on bringing down the kim regime by any means available. reporter: the washington post was first to report the involvement of them in the embassy raid in madrid. in 2017, that group posted this video. fwl my name is kim han so, from north korea. part of the kim family. my father has been killed a few days ago. reporter: this is the son of kim judge jung na. when it first posted the video, they said kim jung nam s group