Theres no need to plant a GPS tracker, the radio protocol almost all police&#x2F;fire&#x2F;EMS use is called P-25[0]. Even when both parties remember to enable encryption, the protocol still has a long list of security of security vulnerabilities including the ability to jam it (both broad range and single user jamming) with the radio embedded in a childrens&#x27; toy because of poor implementation [1,2]. The protocol is so bad in fact that it could easily be used as active location tracking silently. Here is a talk about the complete list of fail [3]<p>[0]<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Project_25" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Project_25</a><p>[1] <a href="https:&#x2F;&#x2F;hackaday.com&#x2F;2010&#x2F;10&#x2F;09&#x2F;pulling-data-from-the-im-me-spectrum-analyzer&#x2F;" rel="nofollow">https:&#x2F;&#x2F;hackaday.com&#x2F;2010&#x2F;10&#x2F;09&#x2F;pulling-data-from-the-im-me-...</a><p>[2] <a href="http:&#x2F;&#x2F;online.wsj.com&#x2F;public&#x2F;resources&#x2F;documents&#x2F;p25sec08102011.pdf" rel="nofollow">http:&#x2F;&#x2F;online.wsj.com&#x2F;public&#x2F;resources&#x2F;documents&#x2F;p25sec08102...</a><p>[3]<a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=7or-_gT8TWU" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=7or-_gT8TWU</a>