Yes, if an officer has probable cause to believe someone has committed a crime, they can arrest them without a search or arrest warrant'. Normally the consequence is that that person can be brought to and booked into a jail.
A peace officer may arrest, without warrant, when a felony or breach of the peace has been committed in the presence or within the view of a magistrate, and such magistrate verbally orders the arrest of the offender.
If there is a reasonable expectation of privacy and there is not probable cause, a search warrant is required. However, if probable cause does occur, such as a suspect runs away, a gunshot is heard from another room in a home, or even when an individual makes a sudden movement, a search becomes legal without a warrant.
Hot pursuit: Officers can arrest and search individuals who are suspected of committing a felony. For the pursuit, officers can enter any property to search and seize evidence without warrants.
Texas law states: “A peace officer or any other person, may, without a warrant, arrest an offender when the offense is committed in his presence or within his view, if the offense is one classed as a felony or as an offense against the public peace.” That means a citizen can make an arrest if they see a felony or a ...