RJ Purkiss: The British soldier behind Agnes Wanjiru's murder unmasked 13 years later

The late Agnes Wanjiru. [File, Standard]

When Agnes  Wanjiru was killed in 2012, her daughter was barely five months.

The now 13-year-old perhaps knows about her mother, Agnes Wanjiru, from the many stories written about an elusive justice, with a British soldier at the heart of it.