winjim
Smash the cistern
I certainly knew the story and the title of the paper. How true it is, is another matter.Interestingly - did you know this before posting? - one of the co-authors of one of the lead papers on the subject is named Kock, but the Everard bit does not fit the initials.
Kock, ND; SA Goedegebuure; EP Lane; V Lucke; D Tyrrell; MD Kock (1994). "Flaccid trunk paralysis in free-ranging elephants (Loxodonta africana) in Zimbabwe" (PDF). Journal of Wildlife Diseases. 30 (3): 432–435. doi:10.7589/0090-3558-30.3.432.