In 2002 Cherie Blair became a target of a renewed campaign by the SNLA when she was sent an anonymous parcel containing a vial that was crudely labelled as containing 'Massage Oil', but which on investigation actually proved to contain caustic acid. In addition a renewed letter bomb campaign was waged against Scottish politicians, parcels were recovered after a man claiming to be from the SNLA made an anonymous phone call to the police at London's Scotland Yard. Professor Paul Wilkinson opined at the time: "The SNLA has surfaced from time to time." Meanwhile, in 2006 it was reported that Busby may be targeted for extradition to the United States to face terror charges following a series of e-mails to the country about how to contaminate US water supplies.