Cash-in-transit heists are on the rise in South Africa. Four security guards were injured after a cash van was blown up on the N4 national highway in Pretoria yesterday. According to the latest crime statistics, cash-in-transit heists have gone up by over 30%. To discuss the issue of an increase in cash in transit heists during or in the run-up to the festive season, Elvis Presslin spoke to Crime and Policing Expert, Dr. Hendrik Lochner