To call for a transparent investigation into the origins of this lethal pandemic.
The Sun
It should be calling for a transparent investigation, for due process and protection of his rights.
Times, Sunday Times
He said that he would expect the police to ensure there was a transparent investigation.
Times, Sunday Times
A number of scholars started a petition asking for a fair and transparent investigation of the allegations.
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We urge a full and transparent investigation that identifies the culprits of this crime and brings them to justice.
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