What is the "stale misdemeanor rule"?

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Hey guys, it's Anthony Bandiero Here, attorney and senior legal instructor with Blue to Gold law enforcement training, bringing you another roadside chat from the studio. Let's get right into this. This question comes from California, and the officer is asking about the stale misdemeanor rule. So I guess the question is, is, what is the stale misdemeanor rule? Okay, I'm gonna give you a scenario to apply to, all right. The stale misdemeanor rule is a common law doctrine, that essentially means that if a crime was committed within the officer's presence, and he or she could arrest that person right then and there, right, but yet waits, and doesn't arrest and then arrest sometime down the road, let's say the next day, next week, whatever that ...