why is that any more likely than it being a home grown terrorist attack? But my point stands, the US may well have had prior knowledge but want the french onsid

why is that any more likely than it being a home grown terrorist attack? But my point stands, the US may well have had prior knowledge but want the french onside for future anti-terror wars, if that isnt the case then the millions or billions spent on intelligence gathering since 2001 has been a complete waste.