<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>chiph</author><text>If my house is on fire and I call 911, but the call doesn&amp;#x27;t go through because my phone is connected to a nearby Stingray device and not to a real tower, that&amp;#x27;s a big problem.</text><parent_chain></parent_chain></comment><story><title>Stingray, the fake cell phone tower</title><url>http://www.extremetech.com/mobile/184597-stingray-the-fake-cell-phone-tower-cops-and-providers-use-to-track-your-every-move</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>lucaspiller</author><text>&amp;quot;Say a murder occurs on a particular street with an estimated time of death between 2 and 4 AM. Local law enforcement would have an obvious interest in compelling cell phone companies to turn over the records of every cell phone that moved in and out of the area between those two time periods. At rush hour, this kind of information would be useless — but if the cell phone network data shows a device in the same approximate area as the murder suddenly leaving the area at a high rate of speed, that cell phone owner is a potential suspect.&amp;quot;&lt;p&gt;This similar to how CCTV is used in the UK. There is apparently one camera for every eleven people [0]. The difference is the majority of it is owned by private businesses though. Public CCTV is usually run by local councils which are independent from the police. If the police want to get any of this footage, and use it to prosecute, they need to get a court order or subpoena.&lt;p&gt;[0] &lt;a href=&quot;http://www.telegraph.co.uk/technology/10172298/One-surveillance-camera-for-every-11-people-in-Britain-says-CCTV-survey.html&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.telegraph.co.uk&amp;#x2F;technology&amp;#x2F;10172298&amp;#x2F;One-surveilla...&lt;/a&gt;</text><parent_chain></parent_chain></comment><story><title>Stingray, the fake cell phone tower</title><url>http://www.extremetech.com/mobile/184597-stingray-the-fake-cell-phone-tower-cops-and-providers-use-to-track-your-every-move</url></story>