No court worth their salt would use media reports. They would need Gavin to take the stand to accept his opinion.
posts even onsocial media have been used in court cases as evidence
https://smiaware.com/legal/is-social-media-evidence-admissible-in-court/american law allows it, if the newspaper is deemed reputable:
Federal Rule of Evidence 803(24), the "residual or "catch-all" exception to the hearsay rule, provides a mechanism by which they may sometimes
be admitted.
The section reads, in pertinent part, as
follows:
The following are not excluded by the hearsay rule,
even though the declarant is available as a witness:
....
(24) Other exceptions. A statement not specifically
covered by any of the foregoing exceptions but having
equivalent circumstantial guarantees of trustworthiness,
if the court determines that (A) the statement is offered
-2-
as evidence of a material fact; (B) the statement is
more probative on the point for which it is offered than
any other evidence which the proponent can procure
through reasonable efforts; and (C) the general purposes
of these rules and the interests of justice will best be
served by admission of the statement into evidence.