Finally (it’s a long story!*), this article sees the light of day:

Josef Mario Briffa SJ (2021): “The Murder of James Leslie Starkey near Lachish. A different view from a Colonial Office file,” Palestine Exploration Quarterly, DOI: 10.1080/00310328.2021.1904172

Online version is already available, will be out in print in the September issue:
https://www.tandfonline.com/doi/full/10.1080/00310328.2021.1904172

* See editor’s note, and my postscript

[first published on 5 July 2021 on Facebook]