Telephone harassment? Use a voice changer

Often, for a woman who lives alone, a call is not necessarily bringing good news or the warm sound of a friendly voice. On the contrary, as we can see from the growing number of telephone harassment and stalking cases anywhere in the world, sometimes at the other end of

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How to build your listening bug

Listening Bug can be built at home, For those who want to give audio surveillance a try and, despite not having the necessary resources to purchase a complete set of bugging devices and hidden microphones for secret listening, are equipped with a good deal of patience as well as some

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