He claimed that the US had used warrantless wiretapping to gather evidence on Coke. Both committees found evidence of spying on American citizens, illegal wiretapping, and cover-ups. Liddy was convicted of conspiracy, burglary, and illegal wiretapping. It depends heavily on wiretapping and electronic surveillance of international communications. It depends heavily on wiretapping and other surveillance techniques applied to international communications. In 1968 Congress passed a law that provided warrants for wiretapping in criminal investigations. Governmental wiretapping also presents cybersecurity issues. Liddy was convicted of conspiracy, burglary, and illegal wiretapping for his role in the scandal. SCS collection tactics allegedly encompass "close surveillance, burglary, wiretapping, [and] breaking and entering". The scope and availability of wiretapping and surveillance orders were expanded under Title II. Legal wiretapping by a government agency is also called lawful interception. Specter was very critical of Bush's wiretapping of U.S. citizens without warrants. On May 9, further evidence of illegal wiretapping against Ellsberg was revealed in court. Jordan learns from his private investigator that the FBI is wiretapping his phones. Pfeifer was arrested on February 3, 2006, and charged with unlawful wiretapping and conspiracy.