According to Temple in his other explorations of the Sphinx and the two associated temples, Hawass approved them, but they explorations were unsupervised or no more supervised than one by Lehrer or some other accredited person. He was NOT visiting as a tourist and some sites and areas were closed or never open to tourists.
The Sirius Mystery Revisited | Prof. Robert Temple | Origins Conference
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Feb 16, 2020
https://www.youtube.com/watch?v=j12Ea8Rvn3o