This is a good strategy to use when you find news sources that are "reporting on reporting." What do we mean by this? In many news articles online, you will find they do not provide original information also know as "original reporting." Instead, they sharing information another article provides. You will find this happens with a lot of big news stories.
When you find a source that is "reporting on reporting," this does not mean the source is bad. It just means you need to check with the original source to make sure the information being presented is accurate and not taken out of context. Depending on the information you may need or want to use, it may be better to use the original story as your source instead.
Search Tip: If your source doesn't hyperlink or cite the original, do a search with the title, publisher and/or author of the original claim to locate it. If you don't have that information, you could do a search to try and find another story that outlines the timeline of an event or story happening.