| Alabama | Not Illegal | Consent required. There are specific legal requirements meant to prevent unscrupulous individuals fr... | | |
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| Alaska | Prohibit | Prohibitions on location tracking | Stalking | Stalking includes following or monitoring a person with a global positioning device or similar technological means. |
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| Arizona | Prohibit | Prohibitions on location tracking | Stalking | Stalking includes the use of any electronic, digital or global positioning system device to surveil a specific person or a specific person's internet or wireless activity continuously for twelve hours or more or on two or more occasions over a period of time, however short, without authorization. |
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| Arkansas | Not Illegal | | | |
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| California | Prohibit | | Miscellaneous Crimes | Prohibits using electronic tracking devices to follow people, with some exemptions. |
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| Colorado | Not Illegal | Consent required. | | |
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| Connecticut | Prohibit | Prohibitions on location tracking | Electronic Stalking: Class B misdemeanor. | A person is guilty of electronic Stalking when such person recklessly causes another person to reasonably fear for his or her physical safety by wilfully and repeatedly using a global positioning system or similar electronic monitoring system to remotely determine or track the position or movement of such other person. |
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| Delaware | Prohibit | Use by a parent or guardian on a minor child’s vehicle | Offenses Against Public Health, Order and Decency | Delaware prohibits individuals from knowingly installing an electronic or mechanical location tracking device in or on a motor vehicle without the consent of the registered owner, lessor or lessee of the vehicle. |
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| District of Columbia | Prohibit | Prohibitions on location tracking | Stalking | Engaging in a course of conduct directed at a specific individual, including using any device to follow, monitor, place under surveillance, threaten, or communicate, is unlawful. |
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| Florida | Prohibit | | Security of Communications, Surveillance | It is illegal to install a tracking device or application on another person's property without their consent, and consent is presumed to be revoked if a petition for dissolution of marriage or an injunction for protection is filed by either party. |
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| Georgia | Not Illegal | | | |
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| Hawaii | Prohibit | | Electronic Eavesdropping | Prohibits intentional use of a mobile tracking device without first obtaining a search warrant or other order, unless the device is installed consent. |
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| Idaho | Not Illegal | | | |
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| Illinois | Prohibit | Exception: 1. Use by employers in connection with an employee’s work2. Use by commercial motor c... | Stalking | Stalking is committed when a person with a previous Stalking conviction intentionally follows or surveils the same person without justification, and transmits a threat of harm to the person or their family member, and placing a person under surveillance means remaining outside their residence or placing an electronic tracking device on them or their property. |
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| Indiana | Not Illegal | secret GPS tracking illegal | | |
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| Iowa | Not Illegal | Consent required. | | |
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| Kansas | Not Illegal | Consent required. | | |
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| Kentucky | Not Illegal | | | |
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| Louisiana | Prohibit | Use by commercial motor carriers, car manufacturers, fleet vehicle owners or telematics services | Tracking devices prohibited; penalty | Prohibits any person from using a tracking device to determine the location or movement of another person without consent. |
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| Maine | Not Illegal | | | |
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| Maryland | Prohibit | Prohibitions on location tracking | Stalking | Stalking is include conduct that can occur in person, through electronic communication, or by using a tracking device without the knowledge or consent of the person being tracked. |
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| Massachusetts | Not Illegal | Consent required. | | |
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| Michigan | Prohibit | Use by a parent or guardian on a minor child’s vehicle | Tracking device; placement or installment on motor vehicle without consent | Prohibits placing a tracking device in or on a motor vehicle without consent |
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| Minnesota | Prohibit | | General pro-hibition on pen register, trap and trace device and mobile tracking device use | Prohibits any individual from using a tracking device without a court order authorizing them to do so, with one exception. |
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| Mississippi | Not Illegal | Consent required. | | |
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| Missouri | Not Illegal | Legal for Personal use | | |
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| Nebraska | Not Illegal | The use of a GPS device being used to harass or stalk an individual is illegal. | | |
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| Nevada | Not Illegal | Does not allow drivers to attach GPS system to the windshield | | |
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| New Hampshire | Prohibit | | Conditions of Use of Location Information. | No individual or person shall, without consent, place, locate, or install an electronic device on the person or property of another and obtain location information from such electronic device. |
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| New Jersey | Not Illegal | Notice Required | | |
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| New Mexico | Not Illegal | Each vehicle that has a GPS device installed have a decal displayed in the interior clearly identify... | | |
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| New York | Prohibit | Prohibitions on location tracking | Stalking in the fourth degree | Stalking in the fourth degree includes unauthorized tracking of a person's location and intentionally engaging in a course of conduct that causes harm to their mental or emotional health after being informed to cease such conduct. |
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| North Carolina | Prohibit | Prohibitions on location tracking | CyberStalking | Makes it unlawful to knowingly install, place, or use an electronic tracking device without consent, or cause an electronic tracking device to be installed, placed, or used without consent, to track the location of any person. |
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| North Dakota | Prohibit | Prohibitions on location tracking | Stalking | Stalking encompasses the unauthorized tracking of a person's movements or location using electronic means that could cause fear or harassment and serves no legitimate purpose. |
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| Ohio | Not Illegal | Consent required. | | |
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| Oklahoma | Prohibit | Prohibitions on location tracking | Stalking | Stalking includes tracking the movement or location of an individual using a GPS device or other monitoring device without their consent, except in cases of lawful use by new/used motor vehicle dealers or creditors in connection with default of credit sale/lease terms with owner or lessee's express written consent. |
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| Oregon | Prohibit | Prohibit installing a location tracking device on a motor vehicle without the consent of the vehicle... | Offenses against persons | Establishes the crime of unlawful use of a global positioning system device if the person knowingly affixes a global positioning system device to a motor vehicle without consent of the owner of the motor vehicle. |
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| Pennsylvania | Not Illegal | Consent required. | | |
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| Rhode Island | Prohibit | Exception: 1. Use by employers in connection with an employee’s work2. Use by commercial motor c... | Electronic tracking of motor vehicles | It is an offense for a person to knowingly install, conceal, or otherwise place or use an electronic tracking device in or on a motor vehicle without the consent of the operator and all occupants of the vehicle for the purpose of monitoring or following the operator, occupant, or occupants of the vehicle. |
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| South Carolina | Not Illegal | | | |
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| South Dakota | Not Illegal | One can only install a GPS device with a warrant issued by a magistrate. | | |
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| Tennessee | Prohibit | Exception: 1. Use by a parent or guardian on a minor child’s vehicle 2. Use by commercial motor ... | Electronic tracking of motor vehicles | Tennessee makes it illegal for an individual to install, conceal, or otherwise place a mobile tracking device in a motor vehicle. |
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| Texas | Prohibit | Use by private investigators | Unlawful installation of tracking device | Provides that it is illegal for any individual to place a tracking device in a motor vehicle, while providing for some exceptions. |
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| Utah | Prohibit | Prohibit installing a location tracking device on a motor vehicle without the consent of the vehicle... | Unlawful installation of a tracking device | Prohibits a person from knowingly installing, or directing another to install, a tracking device on a motor vehicle owned or leased by another person, without the permission of the owner or lessee of the vehicle. |
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| Virginia | Prohibit | Exceptions: 1. Use by employers in connection with an employee’s work2. Use by private investigat... | Unauthorized use of electronic tracking device | Prohibits using an electronic tracking device, through intentionally deceptive means, to track the location of any person without consent. |
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| Washington | Prohibit | Prohibitions on location tracking | CyberStalking | Prohibits installing or monitoring an electronic tracking device with the intent to track the location of another person if the installation or monitoring of the tracking device would cause the other person reasonable fear. |
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| West Virginia | Not Illegal | Consent required. | | |
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| Wisconsin | Prohibit | Prohibit installing a location tracking device on a motor vehicle without the consent of the vehicle... | Global positioning devices | Placing a GPS device or obtaining location information from a GPS device without the consent of the vehicle owner is a Class A misdemeanor. |
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| Wyoming | Prohibit | Prohibitions on location tracking | Stalking; penalty | Stalking is a crime if someone uses electronic or GPS devices to put another person under surveillance without their consent. |
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