[philman_36]

Plus screencaps and printouts of the online version of the original source can be kept.
Which is exactly how much of such nefarious actions have been exposed.

We found this and "lo and behold" now that it's been seen by some in the public it simply isn't there any more.

Kind of like the recent Kenyan born bio discovered with the publisher.
That printed material still physically exists somewhere and taking it off the Web doesn't make it disappear, it only makes it less accessible. The same with the newspapers and yearbooks. They're out there somewhere, they simply have to be located.

[little jeremiah]

It stands to reason that reserachers want to keep info where it is still easily visible, as money may not be available to do on the ground footwork, and printed material is also then removed. Look at the Mercer Island yearbooks - none can be found. Probably before people were asking difficult questions the yearbooks might have been able to be located.