{"id":771,"date":"2016-02-29T20:10:19","date_gmt":"2016-02-29T20:10:19","guid":{"rendered":"http:\/\/blogs.ubalt.edu\/cstarger\/?p=771"},"modified":"2022-06-11T20:14:22","modified_gmt":"2022-06-11T20:14:22","slug":"mapping-mistakes-of-law","status":"publish","type":"post","link":"https:\/\/blogs.ubalt.edu\/cstarger\/2016\/02\/29\/mapping-mistakes-of-law\/","title":{"rendered":"Mapping Mistakes (of Law)"},"content":{"rendered":"<p>Last week, we launched our new <a href=\"https:\/\/www.courtlistener.com\/visualizations\/scotus-mapper\/\">online SCOTUS mapping tool<\/a> and noted that we had also created\u00a0collection of citation networks for <a href=\"http:\/\/home.ubalt.edu\/id86mp66\/scotusmapper\/Homepage_2014Term.html\" target=\"_blank\" rel=\"noopener noreferrer\">every case decided in\u00a0the Court\u2019s 2014 Term<\/a>. Today&#8217;s post introduce this network collection by examining just one of its networks.<\/p>\n<p>The collection renders networks for each of the<a href=\"http:\/\/scdb.wustl.edu\/analysisCaseListing.php?sid=1501-BACKPACK-1829\">\u00a02014 Term cases<\/a> coded by the Supreme Court Database (Spaeth). Last term, there were 71 such cases. The first was <em>Heien v. North Carolina<\/em>, in which the Court held that a\u00a0police officer\u2019s reasonable mistake of law gives rise to reasonable suspicion that justifies a traffic stop under the Fourth Amendment.<\/p>\n<div id=\"attachment_772\" style=\"width: 592px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.courtlistener.com\/visualizations\/scotus-mapper\/255\/brinegar-1949-to-heien-2014\/?type=spaeth&amp;xaxis=cat&amp;dos=2\" target=\"_blank\" rel=\"attachment wp-att-772 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-772\" class=\"wp-image-772\" src=\"http:\/\/blogs.ubalt.edu\/cstarger\/wp-content\/uploads\/sites\/273\/2016\/02\/Screen-Shot-2016-02-29-at-2.25.33-PM.png\" alt=\"Screen Shot 2016-02-29 at 2.25.33 PM\" width=\"582\" height=\"308\" \/><\/a><p id=\"caption-attachment-772\" class=\"wp-caption-text\">Click to open interactive map on CourtListener<\/p><\/div>\n<p>The map above shows both the citation network linking <em>Heien<\/em> back to a 1949 case called <em>Brinegar v. United States<\/em>\u00a0and the Spaeth <a href=\"http:\/\/scdb.wustl.edu\/documentation.php?var=majVotes\">vote count<\/a> and <a href=\"http:\/\/scdb.wustl.edu\/documentation.php?var=decisionDirection\">decision direction<\/a> for each\u00a0cases in the network.<\/p>\n<p>Like every case in the collection, the choice of anchors (in this case <em>Heien<\/em> and\u00a0<em>Brinegar<\/em>) is justified in the &#8220;Description&#8221; field of the network. Quite obviously,\u00a0<em>Heien<\/em> serves as the &#8220;latest case&#8221; anchor because it is the case we are examining.\u00a0<em>Brinegar<\/em>\u00a0was chosen as the &#8220;early case&#8221; anchor this network based on textual analysis of <em>Heien.<\/em> Specifically, <em>Brinegar<\/em> is cited this way in <em>Heien<\/em>:<\/p>\n<blockquote><p><em>To be reasonable is not to be perfect, and so the Fourth Amendment allows for some mistakes on the part of government officials, giving them \u201cfair leeway for enforcing the law in the community\u2019s protection.\u201d <\/em>Brinegar v. United States<em>, 338 U. S. 160, 176 (1949).<\/em><\/p><\/blockquote>\n<p>Note that the map above shows the two-degree network. This means that all the cases\u00a0<em>Heien\u00a0<\/em>cites that in turn cite\u00a0<em>Brinegar<\/em> are shown. Since all the cases shown in the map above were cited by <em>Heien<\/em> and themselves cited <em>Brinegar<\/em>, one would expect the network as a whole to be largely concerned with mistake-of-law doctrine.<\/p>\n<p>Although the two-degree network is most likely to contain relevant cases, the tool also generates a three-degree network. This would include cases citing <em>Brinegar<\/em> that are cited\u00a0that <em>Heien<\/em>\u00a0cites. The three-degree network is visualized this way:<\/p>\n<div id=\"attachment_776\" style=\"width: 592px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.courtlistener.com\/visualizations\/scotus-mapper\/255\/brinegar-1949-to-heien-2014\/\" target=\"_blank\" rel=\"attachment wp-att-776 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-776\" class=\"wp-image-776\" src=\"http:\/\/blogs.ubalt.edu\/cstarger\/wp-content\/uploads\/sites\/273\/2016\/02\/Screen-Shot-2016-02-29-at-2.59.28-PM.png\" alt=\"Screen Shot 2016-02-29 at 2.59.28 PM\" width=\"582\" height=\"309\" \/><\/a><p id=\"caption-attachment-776\" class=\"wp-caption-text\">Click to open interactive map on CourtListener<\/p><\/div>\n<p>While the two-degree network has only 11 cases (purple + red), the three-degree network has 61 cases (purple + red + green). This three-degree network will likely mostly include other Fourth Amendment cases; far fewer of them will be mistake-of-law cases.<\/p>\n<p>Hopefully, this quick treatment gives interested folks an idea of what is contained in the <a href=\"http:\/\/home.ubalt.edu\/id86mp66\/scotusmapper\/Homepage_2014Term.html\">2014 Term collection<\/a>. To review: Every 2014 Term case is linked to an earlier case to create a network. The choice of early anchor is specifically justified by analysis of the text of the 2014 Term case. Two- and three-degree networks are created and can be viewed by reference to the Spaeth data. Of course, links to the complete text of every opinion are also provided.<\/p>\n<p>Next time: Quantitative analysis of SCOTUS citation networks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last week, we launched our new online SCOTUS mapping tool and noted that we had also created\u00a0collection of citation networks for every case decided in\u00a0the Court\u2019s 2014 Term. Today&#8217;s post introduce this network collection by examining just one of its &hellip; <a href=\"https:\/\/blogs.ubalt.edu\/cstarger\/2016\/02\/29\/mapping-mistakes-of-law\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":400,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/posts\/771"}],"collection":[{"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/users\/400"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/comments?post=771"}],"version-history":[{"count":8,"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/posts\/771\/revisions"}],"predecessor-version":[{"id":846,"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/posts\/771\/revisions\/846"}],"wp:attachment":[{"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/media?parent=771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/categories?post=771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.ubalt.edu\/cstarger\/wp-json\/wp\/v2\/tags?post=771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}