No. Warrants must be approved by a judicial officer of some type (i.e.: Justice of The Peace - Magistrate - Judge - etc). This is not to say that law enforcement cannot immediately act when a criminal report or complaint is made to them, if there is sufficient probable cause to make an arrest.
No. A warrant lasts until canceled by the judge or you are arrested.
No. If you have been identified by name as the perpetrator/defendant and a warrant issued for you, the warrant (especially for a felony) will not expire unless withdrawn by the judge.
A warrant is issued by a judge, and the judge decides what is necessary.
A judge must sign a warrant for it to be active!
A bench warrant is a bench warrant whether it is issued by a criminal court judge or a civil court judge.
The date must be there on a search warrant, issued by a judge.
A warrant is canceled on the order of a judge.
A warrant is sworn out because you failed to go before the judge at the correct time. This shows contempt for the judge. Going before hom for the offense fulfills the warrant.
bench warrant issued by judge
A warrant is an order from a judge to search for something or to arrest a person.
Yes the judge only signs in most of the caases
Yes. But normally such a judge, if he remembers you, will recuse himself from the case. The judge that signs a search warrant will not necessarily be the judge that tries you.