https://www.youtube.com/watch?v=1KLDljS1O6M
Assuming that one has the time to do a lot of cross referencing from various sources and perspectives, there is a good chance of dramatically expanding their POV.
http://www.watchmanbiblestudy.com/BibleStudies/NephilimGiants.html
GIANTS
https://www.youtube.com/watch?v=qxTr_HUWt6A
http://c-shapes.blogspot.ca/search?q=Tom+Horn
L.A. Marzulli is the quintessential researcher on this subject matter.
A.I. vs. ET depiction
https://www.youtube.com/watch?v=xIBPfABMDRE
