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Records Show Cops Are Tracking Phone Locations Without Warrants


text marijuanaPolice Are Tracking Phone Locations Without Warrants

The ACLU just release a report about cops and warrant-less cellphone tracking. If you are out trying to be the boss one bag at a time, you might want to read below. Also, realize that there is often more than one place that you will be required to turn off the tracking on your smart phone, such as GPS apps, search engines, in addition to the tracking on the phone itself:

Of all of the recent technological developments that have expanded the surveillance capabilities of law enforcement agencies at the expense of individual privacy, perhaps the most powerful is cell phone location tracking. And now, after an unprecedented records request by ACLU affiliates around the country, we know that this method is widespread and often used without adequate regard for constitutional protections, judicial oversight, or accountability.

Cell phones register their location with the network several times a minute and this function cannot be turned off while the phone is getting a wireless signal. The technology’s threat to personal privacy is breathtaking.

All cell phones register their location with cell phone networks several times a minute, and this function cannot be turned off while the phone is getting a wireless signal. The threat to personal privacy presented by this technology is breathtaking: To know a person’s location over time is to know a great deal about who a person is and what he or she values. As the federal appeals court in Washington, D.C. explained:

The government should have to obtain a warrant based upon probable cause before tracking cell phones. That is what is necessary to protect Americans’ privacy, and it is also what is required under the Constitution. InUnited States v. Jones, a majority of the Supreme Court recently concluded that the government conducts a search under the Fourth Amendment when it attaches a GPS device to a car and tracks its movements. The conclusion should be no different when the government tracks people through their cell phones, and in both cases a warrant and probable cause should be required.”A person who knows all of another’s travels can deduce whether he is a weekly church goer, a heavy drinker, a regular at the gym, an unfaithful husband, an outpatient receiving medical treatment, an associate of particular individuals or political groups – and not just one such fact about a person, but all such facts.”

Until now, how law enforcement agents use cell phone tracking has been largely shrouded in secrecy. What little was known suggested that law enforcement agents frequently tracked cell phones without obtaining a warrant based on probable cause.

In August 2011, 35 ACLU affiliates filed over 380 public records requests with state and local law enforcement agencies to ask about their policies, procedures and practices for tracking cell phones.

What we have learned is disturbing. While virtually all of the over 200 police departments that responded to our request said they track cell phones, only a tiny minority reported consistently obtaining a warrant and demonstrating probable cause to do so. While that result is of great concern, it also shows that a warrant requirement is a completely reasonable and workable policy.

The government’s location tracking policies should be clear, uniform, and protective of privacy, but instead are in a state of chaos, with agencies in different towns following different rules – or in some cases, having no rules at all. It is time for Americans to take back their privacy. Courts should require a warrant based upon probable cause when law enforcement agencies wish to track cell phones. State legislatures and Congress should update obsolete electronic privacy laws to make clear that law enforcement agents should track cell phones only with a warrant.

Below is an overview of our findings and recommendations.

The Documents: The Government Is Routinely Violating Americans’ Privacy Rights Through Warrantless Cell Phone Tracking

The ACLU received over 5,500 pages of documents from over 200 local law enforcement agencies regarding cell phone tracking. The responses show that while cell phone tracking is routine, few agencies consistently obtain warrants. Importantly, however, some agencies do obtain warrants, showing that law enforcement agencies can protect Americans’ privacy while also meeting law enforcement needs.

The government responses varied widely, and many agencies did not respond at all. The documents included statements of policy, memos, police requests to cell phone companies (sometimes in the form of a subpoena or warrant), and invoices and manuals from cell phone companies explaining their procedures and prices for turning over the location data.

The overwhelming majority of the over 200 law enforcement agencies that provided documents engaged in at least some cell phone tracking – and many track cell phones quite frequently. Most law enforcement agencies explained that they track cell phones to investigate crimes. Some said they tracked cell phones only in emergencies, for example to locate a missing person. Only 10 said they have never tracked cell phones.

Many law enforcement agencies track cell phones quite frequently. For example, based on invoices from cell phone companies, it appears that Raleigh, N.C. tracks hundreds of cell phones a year. The practice is so common that cell phone companies have manuals for police explaining what data the companies store, how much they charge police to access that data, and what officers need to do to get it.

Most law enforcement agencies do not obtain a warrant to track cell phones, but some do, and the legal standards used vary widely. Some police departments protect privacy by obtaining a warrant based upon probable cause when tracking cell phones. For example, police in the County of Hawaii,Wichita, and Lexington, Ky. demonstrate probable cause and obtain a warrant when tracking cell phones. If these police departments can protect both public safety and privacy by meeting the warrant and probable cause requirements, then surely other agencies can as well.

Unfortunately, other departments do not always demonstrate probable cause and obtain a warrant when tracking cell phones. For example, police in Lincoln, Neb. obtain even GPS location data, which is more precise than cell tower location information, on telephones without demonstrating probable cause. Police in Wilson County, N.C. obtain historical cell tracking data where it is “relevant and material” to an ongoing investigation, a standard lower than probable cause.

Police use various methods to track cell phones. Most commonly, law enforcement agencies obtain cell phone records about one person from a cell phone carrier. However, some police departments, like in Gilbert, Ariz., havepurchased their own cell tracking technology.

Sometimes, law enforcement agencies obtain all of the cell phone numbers at a particular location at a particular time. For example, a law enforcement agent inTucson, Ariz. prepared a memo for fellow officers explaining how to obtain this data. And records from Cary, N.C. include a request for all phones that utilized particular cell phone towers.

Cell phone companies have worsened the lack of transparency by law enforcement by hiding how long they store location data. Cell phone companies store customers’ location data for a very long time. According to theU.S. Department of Justice, Sprint keeps location tracking records for 18-24 months, and AT&T holds onto them “since July 2008,” suggesting they are stored indefinitely. Yet none of the major cell phone providers disclose to their customers the length of time they keep their customers’ cell tracking data. Mobile carriers owe it to their customers to be more forthright about what they are doing with our data.
>>ACLU Open Letter to Wireless Carriers on Location Tracking of Cell Phones

Click here for detailed findings and analysis of the ACLU’s cell phone tracking records requests »

The Solutions: What Can Be Done to Protect Privacy

Cell phone location data is not the sort of information that law enforcement agents should be obtaining without the safeguard of the probable cause standard and review by a judge. That will ensure that legitimate investigations can proceed, while protecting innocent Americans from unjustified invasions of their privacy.

State and federal lawmakers should pass laws requiring a warrant for police to engage in location tracking. In Congress, there are two pending efforts: First, bipartisan legislation, entitled the Geolocation Privacy and Surveillance (GPS) Act, is sponsored in the Senate by Senators Ron Wyden (D-Ore.) and Mark Kirk (R-Ill.) and in the House by Representatives Jason Chaffetz (R-Utah), Peter Welch (D-Vt.) and Jim Sensenbrenner (R-Wisc.). The bills would require law enforcement agents to obtain a warrant in order to access location information.

TAKE ACTION: Tell your representatives in Washington to support these important pieces of legislation »

The other effort is part of Democratic Vermont Senator Patrick Leahy’s proposal to update the 1986 Electronic Communications Privacy Act (ECPA), which the government also uses to secretly access people’s email accounts. The bill includes a warrant requirement for real-time tracking, but not for historical location information.

TAKE ACTION: Ask Congress to update ECPA today »

In the meantime, more local law enforcement agencies should voluntarily follow the lead of those police departments that already require a warrant and probable cause to track cell phones.

And more states should pass laws requiring their law enforcement agents to obtain a warrant and probable cause to track cell phones.

When they have the opportunity, more judges should follow the leads of those judges who have required the government to obtain a warrant based upon probable cause.

Technology is evolving quickly, and often to the detriment of privacy. But how much privacy Americans enjoy is fundamentally a choice that ultimately is ours as a society to make.


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Johnny Green


  1. CannaSupporter on

    yeah! saw this on the ACLU site! http://www.aclu.org/protecting-civil-liberties-digital-age/cell-phone-location-tracking-public-records-request
    go there and donate! they’re helping us! 

  2. eating_sunshine on

    If you have never read 1984, you should, or maybe just read the news.

    Big brother is watching.

    Did you know in the Led Zeppelin’s song Stairway To Heaven, the lyric “… In a tree by the brook there’s a song bird who sings, sometimes all of our thoughts are misgiven…”  is taken from a seen in the book 1984?  

    It really makes me wonder. 

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