..has been underway since circa 1947.

Our alien puppet-masters don't deploy silly plant-like alien clone replacements - just a mix of remote-controllable(via mobile phone signals etc) nano-sized brain-bots that are delivered through the brain-blood barrier by various means: vaccines, viruses or simply via spiked drinks and foods.

Kiefer's dad Donald of course was in the silly implausible plantoid Body Snatch movie.

And Kiefer("24") of course has turned out in our real and movie world to be a very different human being to his relatively progressive, pro-peace & love, philanthropic, child-of-the-sixties father.

I wonder if Donald has ever said or thought:

"He is not my son!"