This new frontier can be used as an exciting and new investigative tool ... the police department in Australia did verify that [Reverse Speech] located a murder weapon in the basement.…

The National Private Investigators Journal
April, 1991

Reverse Speech Pro 4.0 Is Here…

Reverse Speech Pty, Ltd. is announcing the release of the Reverse Spee…
1 year ago

Join David’s Lecture In …

  Join David's Lecture In London On June 10th Join David's …
1 month ago

David Releases New Book!

  Have you heard the news? I’ve just released my latest b…
2 years ago