It has been found that the report is not substantiated by facts.; Investigations show [reveal] no evidence against sb. [the suspect].; No evidence is found after a thorough inspection [investigation].:
No evidence has been found in the case so far and therefore it is probably a libelous suit.
Reporting on 'fakenews' with unsubstantiatedclaims and incompleteevidenceisn'tthebestapproach-infact, it's probablythe worststrategy, because it adds to the existing noise.