What is the standard for reasonable suspicion under the Fourth Amendment?

Thus, the standard for determining whether reasonable suspicion exists is an objective one. "[I]t does not turn either on the subjective thought processes of the officer or on whether the officer is truthful about the reason for the stop." (United States v. Magallon-Lopez (9th Cir. 2016) 817 F.3d 671, 675.) "If, for example, the facts provide . . . reasonable suspicion to justify a traffic stop, the stop is lawful even if the officer made the stop only because he wished to investigate a more serious offense." (Ibid.) "[T]he objective facts are what matter in situations like these . . . ." (Ibid.) "The

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motivations of the officer are irrelevant to the reasonableness of a traffic stop under the Fourth Amendment." (People v. Suff (2014) 58 Cal.4th 1013, 1054.)