if there is belief of illegal activities
NO. He can search your car if he has just cause without a warrant.
depends if you have the permision of the home owner. If you have the home owner's permision then you can search it. If you don't have the home owner's permision or a warrant then it is illegal. (A search warrant bypasses home owner permision) as it is agreed by court. Hope this helps. - This answer is a UK answer. e.g. the rules may be different in different countries.
They must provide a judge with probable cause to do a search.
To come into a home the police need a search warrant to search. Without the warrant the evidence is not admissible in court. It would be an illegal search.
When they don't have a warrant for whatever they search ( even if they do have a warrant, it is usually for one piece of property house, shed, etc.)
Yes, if the warrant specifies that home or location.
You can search a glove compartment if you have a reason to believe there is something illegal in your car. The Patriot Act greatly expands power of the police to search without a warrant.
The police can only search your house and property with a search warrant or with your permission. Contrary to the belief of most people, the police have no right to search your property for someone who does or doesn't live with you without a warrant.
Only the police can apply for a search warrant, and only a judge can approve of the search warrant. The police only apply for search warrants when they have reasonable suspicion that their suspect is hiding something illegal in his/her house.
Yes they can search it
Yes, the officer may search. Police may search a building if they reasonably believe a valid search warrant has been issued. They do not have to possess the search warrant.