Jassem Emwazi 's lawyer tells reporters he will contact witnesses who say son is ` ` Jihadi John '' Kuwaiti newspaper : Father of Mohammed ` attacks ` ` false ` '' about his son .
Jassem Emwazi 's attorney tells CNN he will sue people who say son is `` Jihadi John '' Kuwaiti newspaper : Father of Mohammed Emwazi attacks `` false rumors '' about his son .