# Posts about citator

> Frix Blog articles tagged "citator".

URL: https://www.frixlaw.com/blog/tag/citator

- [What a citator is: KeyCite, Shepard's and automated citators explained](https://www.frixlaw.com/blog/what-is-a-citator-keycite-shepards-explained.md): A citator tells you every later authority that cited a case and what it said. This explains how Shepard's and KeyCite work, what the signals mean, and how automated citators differ.
- [How to check whether a case is still good law](https://www.frixlaw.com/blog/how-to-check-if-a-case-is-still-good-law.md): A step-by-step method for confirming a case has not been overruled, reversed or limited, using KeyCite, Shepard's or a free citator, and what red and yellow flags actually mean.