To serve an arrest warrant and make an arrest when it is known that the individual named in the warrant is inside - POSSIBLY - depending on the circumstances.
To serve a search warrant and search the premises for articles and contraband, yes, they do not need your poermission.
no no
The police cannot enter onto private business property without the owner's permission in Arizona. They must obtain a warrant to do so, if they do not receive permission.
In general, police need a warrant to enter private property without permission, unless there are specific circumstances such as an emergency or if they have probable cause to believe a crime is being committed.
In most of the countries the police are not allowed to get your DNA sample without the permission of the court.
Under certain circumstances set forth in the law, yes, they may.
If you are asking why warrants are important then i would say a warrant is a document that allows police to go into your house without that warrant or permission from you they are not allowede. Therefore if they say they have a warrent to go into your house ask them for the document
Enter for what? To do what? For what reason? Question is too broad to answer. You need to state more specifics. no they cant enter your house without your permission unless they have a warrant
NO they can not unless there has been a warrant to do so.
To obtain a trespassing warrant, an individual must file a report with the police providing evidence of someone unlawfully entering or remaining on their property without permission. The police will then investigate the claim and, if sufficient evidence is found, a judge may issue a warrant for the arrest of the trespasser.
In general, the police can search your roommate's room without their permission if they have a valid search warrant or if there are exigent circumstances, such as the presence of evidence that could be destroyed or a threat to public safety. It is important to know your rights and consult with a legal professional if you have concerns about a search.
When he has a warrant, when you get arrested and if you give them permission to search you
The police can only search your house without permission if they obtain a warrant, which is a document that states they have reason to believe that suspicious activities are items may be found in the place they are looking. Some warrants are very specific in the places the are wishing to search which can create limits for officers. For example if an officer suspected drug paraphernalia was in someones garage and it was written in the warrant they would be limited to search the garage only if they found it somewhere else in which they looked without legal permission any evidence obtained would not be allowed in a court of law.