What is the test for determining whether a temporary detention was reasonable?

The point is that it is the totality of circumstances that determines whether or not a temporary detention was reasonable. "[W]e must consider 'the totality of the circumstancesthe whole picture.' [Citation.]" (U.S. v. Sokolow (1989) 490 U.S. 1, 8 [109 S.Ct. 1581].) Moreover, the accumulation of sometimes innocent-appearing details occasionally provides articulable reasonable suspicion warranting a continued detention. " '[T]he possibility of an innocent explanation does not deprive the officer of the capacity to entertain a reasonable suspicion of criminal conduct. Indeed, the principal function of his investigation is to resolve that very ambiguity and establish whether the activity is in fact legal or illegalto "enable the police to quickly determine whether they should allow the suspect to go about his business or hold him to answer charges. [Citation.]" ' [Citations.]" (People v. Leyba

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