More information is needed. Under certain circumstances the police can conduct a search - it depends greatly on what circumstances exist at the time of the "search."
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.
The police got a search warrent in order to search the suspect's house. The suspect would not allow the police to search his home without a search warrant.
In general, police can search your trunk without a warrant or probable cause if they have your consent or if they believe there is evidence of a crime in the trunk.
Yes, police generally need to show a search warrant before conducting a search, unless there are specific circumstances that allow for a search without a warrant, such as consent or exigent circumstances.
If the Police or other authorities see you commiting the crime.
A warrant may be necessary for the police to search the server that Facebook is running on. It is also possible that FB may choose to allow the search without a warrant. If the 'search' is simply examining publicly available information on any web page, no. A warrant would not be necessary.
Ive heard of police with a search warrant finding something non-related to the search warrant, and then issuing a new search warrant on the spot regarding the new issue.
In some countries, police do not require a search warrant under certain circumstances. For example, in the United States, exigent circumstances or consent can allow officers to search without a warrant. In countries like Russia, police can conduct searches without a warrant for specific crimes or during investigations. However, the specifics can vary widely based on local laws and regulations.
Yes. The police can search any items if they have a warrant. It does not matter that no one is there to receive the warrant. The police only have to leave a copy of the warrant at the residence.
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.