Nigeria, April 20 -- The anniversary of the abduction of the Chibok girls from school was on 14 April; 90 are still missing. Today is another anniversary: the abduction from Greenfield University. The 20th of April 2021 was like any other day for students of Greenfield University, Kaduna. Muslim students observing Ramadan prepared for iftar in the company of friends and classmates, while other students perambulated between hostels and the cafeteria.

At about 8.15 p.m., gunshots rang out; for some, the sound was not perturbing. The school was in close proximity to a major highway where motorists were frequently attacked by armed robbers. This time was different: armed men, some in camouflage, that students mistook for Nigerian military pe...