How are cops allowed to search people's vehicles without a warrant?

Law enforcement can search your car during a traffic stop without a warrant if they have probable cause to believe it contains contraband, you give voluntary consent, or they are conducting a lawful arrest-related search or inventory. A simple traffic violation alone does not justify a search, but the odor of drugs, contraband in plain view, or a K-9 alert can.
Key details regarding vehicle searches:

• Consent: You have the right to refuse a request to search your vehicle.
• Probable Cause: Officers must have specific, articulable facts that suggest criminal activity, not just a "hunch".
• "Plain View" Rule: If an officer sees contraband (e.g., weapons, drugs) in plain view from outside the vehicle, they may search it.
• Search Incident to Arrest: If you are arrested, police may search the passenger compartment if it is reasonable to believe evidence of the crime of arrest is inside.
• Inventory Search: If your car is impounded, police may conduct an inventory search, and any evidence found can be used.
• NJ Specifics: In New Jersey, police generally need reasonable suspicion of criminal activity before even requesting consent to search, and they must have both probable cause and exigent circumstances to conduct a warrantless search.

It is advised to politely but firmly state, "I do not consent to a search" if asked.

 

with it being cold out the windows are up and the weed smell lingers longer?

 

Officers getting consent from the driver can search cars. It's no more complicated than that.

 

and if you dont give consent tbey will get a dog to do a walk around.

 

The trained dog will bark and then you're pretty much busted.now a warrant isn't needed.

 

The only time a cop thought I was drinking and driving and I actually wasn’t I told him to search my car. He tore the thing apart and of course found nothing. I thought it was funny.

 

The dogs don’t bark to alert, they either paw at the spot or usually are trained to just sit

 

They can do whatever they want, that or get shot in the head

 

They just need a reason to stop your vehicle and then the scavenger hunt starts from there lol.. consent, PC, Plainview Doctrine ETC. They have a lot of tools to mess with folks, and that's what they want to do.. mess with folks.. They know most can't afford a good lawyer.. Its a way to bully poor folks.. They won't do that to the BMW that probably is holding LOL..