The Silver Bridge collapse in 1967

 https://en.wikipedia.org/wiki/Silver_Bridge

Most people just don't have time to notice any paranormal or otherworldly things going on behind various disasters and events in history.

https://en.wikipedia.org/wiki/John_Keel#The_Mothman_Prophecies

https://en.wikipedia.org/wiki/The_Mothman_Prophecies_(film)

https://en.wikipedia.org/wiki/The_Mothman_Prophecies

https://en.wikipedia.org/wiki/Operation_Trojan_Horse_(book)

https://upload.wikimedia.org/wikipedia/commons/b/b9/Silver_and_Point_Pleasant_Bridges_aerial_2019.jpg , https://en.wikipedia.org/wiki/Silver_Bridge#Silver_Memorial_Bridge

https://www.goodreads.com/author/show/18452.John_A_Keel (JAK) https://www.imdb.com/name/nm0444481

A new demonology : John Keel and The Mothman Prophecies CLARKE, David Available from Sheffield Hallam University Research Archive (SHURA) at: http://shura.shu.ac.uk/11660/ 

https://shura.shu.ac.uk/11660/3/Clarke%20New%20demonology.pdf