Obligatory sampling will help find repeat offenders in the pipeline

From February, anyone charged with a schedule 8 offence has to provide a DNA sample, which will be entered into a national database. Schedule 8 offences include murder and rape. Experts believe this is well overdue, but can it be implemented?

Vanessa Lynch From DNA for Africa weighs in here: https://www.youtube.com/watch?v=gaEWjY6FY9E