They came for the businessman, a property developer in his mid-30s, on a Friday morning in October. He was inspecting one of his construction sites in Gachie, a peri-urban settlement west of Nairobi.
Four youngish men, well-dressed, smooth-talking and wielding pistols, forced him into their car, blindfolded him and drove off. He did not know where they took him, but from the floor by the back seat, reckons they drove for about an hour.

