
Stop and frisk, also known as investigative detention, is a law that allows police officers to temporarily detain, question, and search civilians and suspects on the street for weapons and contraband. This law has been the subject of much controversy, with critics arguing that it unfairly targets minorities and violates the Fourth Amendment, which protects against unreasonable searches and seizures. In 2013, a federal judge ruled that the stop-and-frisk policy in New York City was unconstitutional due to its disproportionate targeting of people of color. Despite this ruling, the practice of stop and frisk continues in some cities, leading to ongoing debates about its legality and effectiveness in preventing crime. This introduction will discuss the history of the stop-and-frisk law, the arguments for and against it, and the efforts to end its use in the United States.
| Characteristics | Values |
|---|---|
| Ineffective | Stop-and-frisk rarely uncovers guns or other dangerous weapons. Data shows that police found a firearm in less than 1% of pedestrian stops. |
| Unfair targeting of communities of color | Black and brown Philadelphians are more likely to be stopped by the police than white residents. In New York, the policy was found to disproportionately target African-American and Hispanic men. |
| Unconstitutional | In 2013, a federal judge ruled that New York City's stop-and-frisk policy was unconstitutional as it violated the Fourth Amendment's protection against unreasonable searches and seizures and the Fourteenth Amendment's Equal Protection Clause. |
| Unlawful | In Philadelphia, at least half of the stops failed to meet the legal standard. |
| Discriminatory | Stop-and-frisk has been described as a discriminatory policing policy. |
| Failure of public safety policy | Stop-and-frisk has been described as a failed tactic in preventing gun violence. |
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What You'll Learn

The Fourth Amendment and stop-and-frisk
The Fourth Amendment of the US Constitution states that all searches and seizures without judicially issued warrants are unreasonable and unconstitutional. However, in Terry v. Ohio, the Supreme Court ruled that 'stop and frisk' fell under the Fourth Amendment, meaning citizens have the right to walk freely without being stopped by the police. The Court held that a stop and frisk must comply with the Fourth Amendment and cannot be unreasonable. This means that before stopping a suspect, the police must have a reasonable suspicion that a crime has been, is being, or is about to be committed by the suspect.
The Court in California v. Hodari D. wrote that a Fourth Amendment "seizure" of a person is the same as a common-law arrest, requiring either the application of physical force or submission to the assertion of authority. In the case of Terry v. Ohio, the Court ruled that officers have the right to stop and pat down a suspect if they have a reasonable suspicion that the person may be armed, with the basis for this decision being officer safety. The Court also set scope limitations for the stop, stating that it cannot be a full-scale seizure of a person, it must be brief, within reach, and the officer can only frisk the suspect for what is absolutely necessary, such as looking for a weapon.
The standard for investigative stops evolved into one of "reasonable suspicion of criminal activity," permitting some stops and questioning without probable cause to allow officers to explore their suspicions. The test of reasonableness in this situation is whether the police officer can point to "specific and articulable facts" that would lead a neutral magistrate to conclude that a man of reasonable caution would be warranted in believing that possible criminal behaviour was at hand and that an investigative stop and frisk was required.
Despite the ruling in Terry v. Ohio, the stop-and-frisk policy has been criticised as discriminatory and ineffective in preventing gun violence. Data from Philadelphia shows that stop-and-frisk very rarely uncovers guns or other dangerous weapons, with police finding a firearm in less than 1% of pedestrian stops. The policy has been found to unfairly target and harass communities of colour, especially Black men, with racial disparities persisting despite an overall decrease in pedestrian stops.
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Ineffectiveness and racial profiling
Stop and frisk laws, which allow police officers to stop and question individuals and pat down their outer clothing to check for weapons, have been the subject of much debate and criticism due to concerns over their ineffectiveness and racial profiling.
Ineffectiveness
The effectiveness of stop and frisk laws in achieving their stated objectives of preventing crime and protecting officer safety has been questioned. While the laws are intended to allow officers to intervene before a crime occurs or a weapon is used, there is limited evidence to suggest that they effectively deter or reduce crime. Critics argue that stop and frisk practices often fail to identify and apprehend actual criminals, and instead target innocent individuals, particularly from minority communities, leading to a sense of mistrust and alienation within these communities.
Racial Profiling
One of the most significant concerns surrounding stop and frisk laws is their disproportionate impact on minority communities, especially Blacks and Latinos. Data from various cities, including New York, Detroit, and other racially mixed areas, consistently reveals that individuals from these communities are significantly more likely to be subjected to stop and frisk procedures than their white counterparts. For example, in New York City, Blacks were five times more likely to be searched than whites, and Blacks and Latinos comprised more than 80% of those searched, according to data released by the NYPD. This disparity has led to widespread accusations of racial profiling and discriminatory policing practices, with civil liberties organizations and community groups expressing deep concern.
The discretionary nature of stop and frisk laws, which grant officers the authority to act based on "reasonable suspicion," has been identified as a key factor contributing to racial profiling. Officers' subjective interpretations of what constitutes reasonable suspicion can result in biased decision-making and the targeting of individuals based on their race or ethnicity rather than objective evidence of suspicious behavior. This discretionary power has been exploited to justify stops and frisks in minority neighborhoods and against non-white individuals, exacerbating tensions between law enforcement and communities of color.
The historical context of policing in the United States, particularly the legacy of racial discrimination and segregation, cannot be overlooked when examining the racial profiling associated with stop and frisk laws. In Detroit, for instance, the implementation of stop and frisk coincided with a history of unconstitutional racial profiling, illegal "investigative arrests," and targeted crime crackdowns disproportionately affecting Black residents. This history underscores the deep-rooted nature of racial bias in policing practices and the ways in which stop and frisk policies can be utilized to further marginalize and harass minority communities.
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Scope limitations
- Limited Seizure and Duration: The court has set limitations on the extent of seizure allowed during a stop-and-frisk. It cannot be a full-scale seizure of the individual. The person must remain within reach, and the interaction must last only a short time. This ensures that the intrusion on an individual's freedom is minimal.
- Specific Purpose: The purpose of the stop-and-frisk must be clearly defined and limited to searching for weapons or contraband that could pose a danger. Police officers can frisk a suspect only for what is deemed absolutely necessary. For example, if they suspect the person may be carrying a weapon. The frisk should be a limited pat-down of the exterior clothing of the suspect.
- Reasonable Suspicion: A critical limitation is the requirement of "reasonable suspicion." Officers must be able to articulate a reasonable suspicion that the person may be engaged in illegal behaviour or may be armed and dangerous. This suspicion must be based on specific and objective facts, not just a whim or general profiling.
- Articulable Fear: In addition to reasonable suspicion, officers must be able to articulate their fear that the suspect is armed for the stop-and-frisk to be valid. This means they must provide a clear explanation of why they believe the person is carrying a weapon and may pose a threat to officer safety or the safety of others.
- Escalating Responses: The police must follow a flexible set of escalating responses. The interaction should begin with an articulable suspicion and gradually escalate only if there is a developing reason to believe the suspect is armed. This ensures that the scope of the frisk is proportional to the level of suspicion.
- Data Monitoring: Monitoring data about the use of stop-and-frisk can help identify scope limitations and prevent abuse. For example, in Philadelphia, civil rights lawyers and the ACLU monitored data over a decade, revealing that the practice disproportionately targeted communities of colour, especially Black men, with little success in uncovering guns or dangerous weapons.
- Geographic Limitations: In some cases, scope limitations may be applied to specific geographic areas where there is a higher concentration of reported crimes. However, this must be done carefully to avoid racial profiling and ensure that the limitations are based on crime data rather than demographic assumptions.
- Training and Experience: When officers feel something that is clearly not a weapon during a pat-down, such as suspected packaged drugs, the seizure of such contraband is often allowed under the "Plain Feel" doctrine. However, officers must be able to articulate their training and experience that allowed them to immediately identify the item as contraband.
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Unconstitutionality
The "stop-and-frisk" law, also known as investigative detention, allows police officers to temporarily detain, question, and search civilians and suspects on the street for weapons and other contraband. While the practice itself is not unconstitutional, there have been several instances where its implementation has been deemed unconstitutional, particularly in the case of New York City's stop-and-frisk program.
In 2013, US District Court Judge Shira A. Scheindlin ruled that the New York City Police Department's (NYPD) stop-and-frisk program was carried out in a manner that violated the US Constitution, specifically the Fourth Amendment, which protects citizens from unreasonable searches and seizures. The ruling, known as Floyd v. City of New York, found that the NYPD's program amounted to a form of racial profiling of young Black and Hispanic men, with 83% of the 4.4 million stops made between 2004 and 2012 involving Black and Hispanic individuals, despite these groups comprising only 52% of the city's population in 2010.
The Supreme Court's ruling in Terry v. Ohio in 1968 set a precedent for the constitutional application of stop-and-frisk. The Court held that a stop-and-frisk must comply with the Fourth Amendment, requiring that police have a reasonable suspicion that a crime has been, is being, or is about to be committed by the suspect, and a reasonable belief that the individual is armed and dangerous before conducting a frisk. The Court defined a "reasonable" stop-and-frisk as one where an officer, based on the circumstances, believes their safety or that of others is endangered and conducts a limited search for weapons.
The Court also set scope limitations for stop-and-frisk, including that it cannot be a full-scale seizure, must be brief, and must only involve a pat-down of the suspect's outer clothing. Additionally, the Court favored the admissibility of evidence obtained during a stop when there was a valid warrant that predated the stop and was unconnected to it, and when the officer's conduct was lawful and not part of any systemic misconduct.
In conclusion, while stop-and-frisk as a law enforcement tool is not inherently unconstitutional, its implementation must strictly adhere to constitutional safeguards to protect citizens' rights. The Fourth Amendment requires that any search or seizure be reasonable and based on probable cause, and courts have provided guidelines to ensure that stop-and-frisk practices do not violate these constitutional protections.
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Community impact
Stop-and-frisk laws have been shown to have a detrimental impact on communities, particularly communities of colour. In Philadelphia, data has shown that Black and Brown Philadelphians are more likely to be stopped by the police than white residents, and this disparity is most extreme in parts of the city with the fewest Black and Brown residents. This has led to a class-action lawsuit filed by the ACLU of Pennsylvania, which uncovered that stop-and-frisk rarely uncovers guns or dangerous weapons, and is therefore an inefficient and discriminatory policy.
In New York City, the NYPD's stop-and-frisk practices have been described as aggressive and pervasive, with a profound impact on individuals and communities. The Center for Constitutional Rights (CCR) conducted a series of interviews with people who had been subjected to stop-and-frisk, revealing widespread civil and human rights abuses, including illegal profiling, improper arrests, inappropriate touching, sexual harassment, humiliation, and violence. The CCR's report also highlighted the disproportionate impact on LGBTQ/GNC people, non-citizens, homeless people, religious minorities, low-income people, youth, and residents of certain neighbourhoods.
The discriminatory nature of stop-and-frisk has been further evidenced by research, which found that Black citizens are 66% more likely to be subjected to stop-and-frisk based on reasonable suspicion. This is often driven by the criminalization of poverty, with police targeting economically disadvantaged communities of colour. For example, in New York City, the enforcement of low-level, non-violent offences, such as marijuana possession, disproportionately impacts Black and Brown communities, despite a lack of evidence of higher marijuana use in these communities.
The impact of stop-and-frisk on communities is not limited to civil rights abuses and discrimination. It also contributes to a breakdown in trust between communities and law enforcement, making it more difficult for police to effectively serve and protect these communities. Additionally, the practice fails to achieve its stated goal of reducing violent crime or taking weapons off the street, as evidenced by data from Philadelphia and New York City.
To address the negative community impact of stop-and-frisk laws, it is necessary to reject this discriminatory and ineffective policing policy and instead invest in community development, jobs programs, and support services for struggling individuals. By addressing the root causes of crime, such as poverty and lack of opportunity, communities can be empowered rather than targeted and harassed.
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Frequently asked questions
Stop and frisk is shorthand for "investigative detention". It means that a police officer can detain someone on the spot if they suspect them of engaging in illegal behaviour and then frisk or pat down that person if they believe the person is armed.
The Fourth Amendment requires that before stopping a suspect, the police must have a reasonable suspicion that a crime has been, is being, or is about to be committed by the suspect. The frisk or pat down can only be conducted if the police reasonably believe that the suspect is armed and dangerous. The frisk must be a quick pat-down of the suspect's outer clothing.
Stop and frisk has been criticised as a discriminatory and fruitless policing policy. It has been found to disproportionately target minorities, specifically African-Americans and Hispanic-Americans. It has also been found to be ineffective in reducing crime rates.
To end a stop and frisk law, there are a few possible approaches. Firstly, public advocacy and protests against the law can be effective in pressuring policymakers and lawmakers to re-evaluate the law. Secondly, legal challenges and class-action lawsuits can be filed on the basis of civil rights violations and racial profiling. Thirdly, electing political candidates who pledge to reform or abolish the law can lead to policy changes.











































