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."
Only if he or she have probable cause to enter
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.
If the Police or other authorities see you commiting the crime.
When police officers have a court order to search a home or a person, it is called a search warrant. If a police officer has reasonable suspicions, then they can search a person without a search warrant.
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.
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.
NO. He can search your car if he has just cause without a warrant.
A Search Warrant