Police must be able to convince the judge that they have probable cause before being granted the warrant. However, there are some exceptions to the rule.Yes. Warrants aren't required for every arrest. If you are pulled over in a stolen car, you can be arrested on the spot. A peace officer may arrest an offender without a warrant for any offense committed in his presence or within his view. There are many possible paths you can take when Collin County has an outstanding warrant for your arrest. A cop generally can't enter your home without a warrant but there are a few exceptions to be aware of. Police have to show you the search warrant if you ask for it. The search warrant will have specific things that they are allowed to search for. On any traffic offense, you have the absolute right to plead Not Guilty and request a trial.