London Underground in partnership with British Transport Policehas introduced DNA testing kits in a bid to catch those who assault Tube staff by spitting at them.
In the past year there have been up to 100 incidents which involved spitting at staff. In the past these incidents have proved difficult to prosecute.
However with developments in forensic science, it is now possible to obtain a DNA sample from saliva.
So no matter where the saliva lands a DNA sample can be obtained quickly and stored. This prevents crucial evidence being lost.
John Strutton, LU Crime and Disorder Unit, said: "We want to make it clear that we will not tolerate violence of any kind against Tube staff. They do an excellent job in sometimes difficult circumstances, but whatever the situation it does not justify assault of any kind, including spitting."
Chief Superintendent Steve Hotston, BTP, said: "London Underground staff should be able to do their jobs without fear of being assaulted.
"We want to get this message across in the firmest possible way by prosecuting anyone that assaults Tube staff. The DNA kit will enable us to gather evidence to ensure this happens."
The kit comprises of a pair of sterile latex gloves, one self-sealing evidence bag and two sterile swabs in containers. They have been issued throughout stations in central London and will be trailed over the forthcoming months. If successful it will then be distributed throughout the rest of the Tube network.
In addition to the kit, a specialist Workplace Violence Unit has been set up which is now responsible for the progression and investigation of all new cases involving violence to staff.
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The DNA kit has been proved successful on ScotRail in Glasgow.
