California, United States of America
The following excerpt is from People v. Uribe, 12 Cal.App.4th 1432, 16 Cal.Rptr.2d 127 (Cal. App. 1993):
It is undisputed that the unsafe lane change provided ample objective cause for a traffic stop. 4 (See People v. Franklin (1985) 171 Cal.App.3d 627, 633-634, 217 Cal.Rptr. 529.) The dispositive issue is whether an objectively reasonable stop is rendered illegal, as a "pretextual" stop, where the officers held a subjective desire to search for narcotics.
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