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Usually a warrant follows the investigation when a DA feels enough evidence is collected to get a conviction (to avoid double jeopardy) and is the official way of doing it. In some countries provision is made for an occasion on which somebody may catch another in the process of committing a crime; commonly called "citizen's arrest", the law normally states that a person, whether uniformed officer or member of the public, can place another person under arrest if they have reasonable suspicion that the other has been/is in commission of a crime.

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12y ago
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14y ago

Yes the officer will have to show both the warrant as well as his I.D . before he arrests you. ANOTHER VIEW: IN THE UNITED STATES: The first answer is not correct. The only thing the officer is required to have is knowledge that a valid warrant DOES exist. He is NOT required to show it to you.

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11y ago

Yes and no. If the Police have witnessed you committing, attempting to commit, or know you have committed a crime they can arrest you with our a warrant. If they suspect you of committing a crime and have very limited evidence they cannot arrest you with out presenting this evidence to a judge to get a warrant.

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14y ago

No. Most often just knowledge that a person is wanted is sufficient to make the arrest.

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13y ago

No. Searches incident to arrest are an exception to the warrant requirement.

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Q: Does a police officer need a warrant to arrest someone?
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Related questions

If a Police officer in NY stops someone that has a Felony warrant can that officer arrest him on that warrant?

Yes, of course. An arrest warrant is a command from a judge to arrest a person. Usually a police officer has no choice and must arrest.


Does a police officer have to have a warrant to arrest somebody?

No.


Can a police officer release you and later issue a warrant for your arrest?

No, a police officer cannot issue a warrant for your arrest only a judge or court magistrate can do that.


Can a police officer coerce someone onto school property to arrest them without a warrant?

It does not seem reasonable or possible.


What are the legal basis for arrest?

A police officer must have probable cause in order to arrest someone. They can arrest a person if they see a crime taking place or if an arrest warrant has been issued.


Do police need an arrest warrant to arrest someone for class b misdemeanor?

no


Whats the main differences between arrest with and without a warrant?

Without a warrant you must find reasonable grounds to arrest someone, whereas with a warrant your reason to arrest the suspect already exists. Without a warrant a Police Officer can arrest anyone without permission of a Magistrate as long as they follow the correct procedures so their arrest is lawful, which is unlike an arrest with a warrant where you must be granted the warrant to be able to arrest that person. Without a warrant, a Police Officer can mess the arrest up and make it an unlawful arrest but with a warrant it is very unlikely that they make it an unlawful arrest.


What must the police have in order to arrest someone?

Probable cause or warrant


When is a person under arrest?

A person is "under arrest" when a police officer charges them with a crime and chooses to take them to the police station to be processed for it. For example, if someone commits a crime, they are technically under arrest when a police officer witnesses the crime or has a warrant for the arrest and tells the criminal "You are under arrest." Typical procedure after this is to put handcuffs on the criminal and read them their Miranda rights (you have the right to remain silent etc). Handcuffs alone do not mean arrest, but i'm pretty sure its illegal for a police officer to handcuff someone without grounds to arrest them. As a side note, the person doing the arrest does not have to be a sworn in police officer. In Citizen's arrest cases, anyone with arresting powers like a bounty hunter can also place someone under arrest.


What two reasons why police may be able to search someone without a warrant?

A "stop and frisk search," where police search you for their protection or incidental to an arrest; or when contraband is in plain view of the officer.


What if a police officer has Criminal Complaint for you however when they come to pick you up with the arrest warrant there is a wrong name on the warrant Can they still arrest you at that time?

If the officers can accurately identify the person wanted, or can verify a proper warrant then they will likely arrest you.


Can you be picked up for a warrant if you are signing a consent form for someone else?

If there is a warrant out for you and the police know where you are, they can arrest you.