Nigeria, Feb. 7 -- In 2004, Chinasa Asonye was an accountant in Lagos with an oil servicing firm. At that time she was married with four children.

Like regular Lagos residents, she woke up very early to prepare for the day and retired as late as 11 p.m.

For Ms Asonye and her family, this was a regular routine except on Sundays.

The mother-of-four had dreams of working in larger firms because she was career-oriented.

Married to a soldier, her husband was always on transfer to different states so she needed to find an alternative job that gives her more time with the children.

On a Saturday morning in 2004, Ms Asonye as usual dressed up and left the house for work. About two hours after she arrived at her office, her husband showed up an...