If Papadopoulos was so central, why did the FBI not interview him until late January 2017? It seems as though the Papadopoulos origin was drummed up once the C

If Papadopoulos was so central, why did the FBI not interview him until late January 2017? It seems as though the Papadopoulos origin was drummed up once the Carter Page origin story fell apart. All media sources were reporting on the dossier as the origin until it fell apart.