http://www.abc.net.au/news/newsitems/200509/s1462535.htm
"Bus drivers in Perth are to be given DNA kits as a way of combating anti-social behaviour on the city's public transport system. In an Australian first, drivers will be trained to gather DNA evidence to help identify and prosecute those responsible for assaulting them. Western Australian Police Minister Michelle Roberts says they will be able to take samples of saliva or blood which have been left behind after an attack.
'Even if we don't have a match on the DNA, we'll maintain that sample of DNA on our database,' she said.
'If any stage in the future that person re-offends and is caught, we'll be able to trace them back to that earlier crime as well.'
Ms Roberts says the jail term for assaulting a driver is up to ten years." [Snippet]
