What are or is a first informer?

A first informer is an individual who provides initial information about an event or situation, typically in a news or media context. This term often refers to eyewitnesses or bystanders who share their observations before official reports are available. First informers play a crucial role in shaping public perception and can influence the narrative by disseminating information through social media or other platforms. Their accounts can be valuable for journalists and emergency responders during developing situations.