Is Reversed Speech Inadmissible in Court?

Reverse speech is not admissible in court as almost like a lie detector test. It's still too subjective to i wouldn't want to see someone go to jail as result of the reversal. I think the police can use it for investigations. As an investigative tool it's invaluable. In one case, o work wit in the dallas police or and the australian police. The message on t messages are there. They can be qagt herd quite easily.