Poynette Traffic Lawyer, Wisconsin, page 3

... The defendant asserted that any evidence should be suppressed because the police officer had neither probable cause nor reasonable suspicion to conduct the traffic stop. The defendant appealed the circuit court's decision, and the court of appeals reversed. ...

... The Supreme Court concluded that, because the driver was lawfully seized for a traffic violation, and because a dog sniff of the exterior of a vehicle did not constitute a search, the intrusion of the dog sniff did not "rise to the level of a constitutionally cognizable infringement." Id. ...

... the road. ¶ 29 There was no other traffic; the roadway was dry and free of debris. Thus traffic and road conditions do not explain the defendant's driving. ¶ 30 Second, the officers' experience is a consideration. Officer Hoffman ...