Upon his retirement he wrote three non-fiction books. The first book,
‘In die Skadu van die Galg’
(‘In the Shadows of the Gallows’)
covers cases he investigated that resulted in 12 death penalties being enforced.
The sensational Kreiner murder, a case that stretched his detective skills to the limit, resulted in Eric Marshall facing the gallows. The Verity murders, where mother and daughter were butchered by the father with a carpet knife and further battered to death with
