The undercover rail 'inspectors' roaming Britain's railways: How train firms are cracking down on fare evaders with a private security agency which is accused of using unfair and 'aggressive' tactics to threaten passengers with court action
EXCLUSIVE: Chiltern Railways and Transport for Wales are among the UK rail operators who now franchise out prosecutions to a private security company called Transport Investigations Ltd (TIL).
Source: dailymail.co.uk