Telephone tapping operated by the National Intelligence Service of Greece since 2011 has played a significant role in the case.
12.
Tracking these suspects relies heavily on the application of technical surveillance, such as audio / visual devices and telephone tapping.
13.
"Other oppressive measures, such as telephone tapping and police harassment of journalists are becoming commonplace, " the media monitoring group said.
14.
Subsequent searches conducted in Mexico City and the state of Mexico turned up telephone tapping equipment, cameras and electronic listening devices.
15.
The fraud was discovered through telephone tapping of organized crime activities and has been investigated by the Prosecutorial Office at Bochum, Germany.
16.
Military intelligence agents friendly to him are suspected of still operating a vast telephone tapping operation outside the authority of the government.
17.
The news of the alleged American espionage pushed articles about Pasqua's telephone tapping operation off the front pages of French daily newspapers on Thursday.
18.
He served 29 years on the police force and was criticized for his role in the department's illegal telephone tapping operations in the 1960's.
19.
However, an official inquiry into the telephone tapping cleared Haughey of any wrongdoing and put more blame on Martin O'Donoghue than the other TDs involved.
20.
He also strove to give Giscard d'Estaing's government a more liberal air by abolishing fingerprints on identity cards, curbing telephone tapping and relaxing controls on television.
