With silent SMS, cell site analysis and IMSI catchers, authorities can pinpoint the location of a mobile device to within a few metres.
Last year, the German Federal Criminal Police sent about 68,000 silent SMS in 33 cases (one of which was a danger aversion case), which is a significant increase compared to preceding years. The Federal Police sent around 48,000 silent text messages in 56 criminal proceedings, which is roughly the average of past years. This is stated in the answer to a parliamentary question by the Left Party in the Bundestag. „Germany: Mobile phones as a tracking bug“ weiterlesen