Understanding Dateline Conventions
Launch library · evergreen read

A dateline, the short line sitting at the start of a news story naming a place and sometimes a date, traditionally indicates where a reporter was physically located while covering the story in question, a small but genuinely meaningful marker of firsthand reporting versus coverage compiled remotely from elsewhere entirely.
Not every story carries a dateline attached to it, and its absence does not necessarily mean anything at all is wrong with the reporting, since plenty of entirely legitimate reporting is carefully compiled from multiple separate locations at once, or sourced entirely from wire services, without a single reporter ever being physically present on the ground anywhere at all during the events described.
When a dateline is genuinely present on a story, it is worth treating it as a small piece of supporting context, evidence of proximity to an event, rather than as any kind of independent guarantee of accuracy entirely on its own quite separate merits alone, without any further checking applied.