This chapter is being reviewed in light of comments solicited by the Committee from the public.
9.21 PARTICULAR RIGHTS—FOURTH AMENDMENT—UNREASONABLE SEIZURE OF PERSON—PROBABLE CAUSE ARREST
In general, a seizure of a person by arrest without a warrant is reasonable if the arresting officer[s] had probable cause to believe the plaintiff has committed or was committing a crime.
In order to prove the seizure in this case was unreasonable, the plaintiff must prove by a preponderance of the evidence that [he] [she] was arrested without probable cause.
"Probable cause" exists when, under all of the circumstances known to the officer[s] at the time, an objectively reasonable police officer would conclude there is a fair probability that the plaintiff has committed or was committing a crime.
The officer’s intent or motive is not relevant to your inquiry.
Under [federal] [state] law, it is a crime to [insert elements or description of applicable crime for which probable cause must have existed].
Use this instruction only in conjunction with the applicable elements instructions, Instructions 9.3–9.8, and in conjunction with Instruction 9.19 (Particular Rights—Fourth Amendment—Unreasonable Seizure of Person—Generally).
"A claim for unlawful arrest is cognizable under § 1983 as a violation of the Fourth Amendment, provided the arrest was without probable cause or other justification." Lacey v. Maricopa Cnty., 693 F.3d 896, 918 (9th Cir.2012) (citation and internal quotation marks omitted). Probable cause exists if the arresting officers "had knowledge and reasonably trustworthy information of facts and circumstances sufficient to lead a prudent person to believe that [the arrestee] had committed or was committing a crime." Gravelet-Blondin v. Shelton, 728 F.3d 1086, 1097 (9th Cir.2013)(quoting Maxwell v. Cnty. of San Diego, 697 F.3d 941, 951 (9th Cir.2013).
In Devenpeck v. Alford, the Supreme Court reiterated the Fourth Amendment standards applicable in a § 1983 claim for false arrest:
The Fourth Amendment protects "[t]he right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures." In conformity with the rule at common law, a warrantless arrest by a law officer is reasonable under the Fourth Amendment where there is probable cause to believe that a criminal offense has been or is being committed. . . . Whether probable cause exists depends upon the reasonable conclusion to be drawn from the facts known to the arresting officer at the time of the arrest. . . .
Our cases make clear that an arresting officer’s state of mind (except for the facts that he knows) is irrelevant to the existence of probable cause. . . . That is to say, his subjective reason for making the arrest need not be the criminal offense as to which the known facts provide probable cause. As we have repeatedly explained, "the fact that the officer does not have the state of mind which is hypothecated by the reasons which provide the legal justification for the officer's action does not invalidate the action taken as long as the circumstances, viewed objectively, justify that action." . .. "[T]he Fourth Amendment’s concern with ‘reasonableness’ allows certain actions to be taken in certain circumstances, whatever the subjective intent."
Devenpeck v. Alford, 543 U.S. 146, 152-53 (2004) (citations omitted) (holding arresting officer’s subjective reason for making arrest need not be criminal offense for which known facts provide probable cause); see also Tsao v. Desert Palace, Inc., 698 F.3d 1128, 1147 (9th Cir.2012).
"There is probable cause for a warrantless arrest and a search incident to that arrest, if under the totality of the facts and circumstances known to the arresting officer, a prudent person would have concluded that there was a fair probability that the suspect had committed a crime." United States v. Struckman, 603 F.3d 731, 739 (9th Cir.2010). (quoting United States v. Gonzales, 749 F.2d 1329, 1337 (9th Cir.1984). "If an officer has probable cause to believe that an individual has committed even a very minor criminal offense in his presence, he may, without violating the Fourth Amendment, arrest the offender." Atwater v. City of Lago Vista, 532 U.S. 318, 354 (2001). "‘[S]tate restrictions [on arrest] do not alter the Fourth Amendment’s protections,’ and under federal law, ‘warrantless arrests for crimes committed in the presence of an arresting officer are reasonable under the Constitution.’" Edgerly v. City & Cnty. of S.F., 599 F.3d 946, 956 (9th Cir. 2010) (quoting Virginia v. Moore, 553 U.S. 164, 176 (2008)). A warrantless arrest for a crime committed in the presence of an arresting officer is permitted, even if the offense, as a matter of state law, was one for which the officers should have issued a summons rather than made an arrest. Moore, 553 U.S. at 176. Absent exigent circumstances, however, authority to make a warrantless arrest based on probable cause ends at the threshold of a private dwelling, and police may not make a warrantless, nonconsensual entry into a suspect’s residence to make a felony arrest. Payton v. New York, 445 U.S. 573, 590 (1980); see also Hopkins v. Bonvicino, 573 F.3d 752, 773 (9th Cir.2009)