{"id":5729,"date":"2025-05-03T19:04:39","date_gmt":"2025-05-03T17:04:39","guid":{"rendered":"https:\/\/elpoligrafo.es\/?p=5729"},"modified":"2025-05-03T19:10:38","modified_gmt":"2025-05-03T17:10:38","slug":"the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence","status":"publish","type":"post","link":"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/","title":{"rendered":"The birthday that unveiled the truth (Infidelity and domestic violence)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Contents\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Introduccion\" >Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Primera_toma_de_contacto_con_el_caso_una_entrevista\" >First contact with the case: an interview<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Diseno_del_cuestionario_claves_y_control\" >Questionnaire design: keys and control<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Preguntas_de_control\" >Control questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Preguntas_clave\" >Key questions<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Instalacion_del_poligrafo_y_calibracion\" >Polygraph installation and calibration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#La_sesion_entre_evasivas_y_tension_creciente\" >The session: between evasions and growing tension<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#El_resultado_la_verdad_desvelada\" >The result: the truth unveiled<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Resolucion_final\" >Final resolution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/#Epilogo\" >Epilogue<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"Introduccion\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Isabel, a mother of three, never imagined that her birthday would mark the beginning of a chain of events that would completely transform her life. Her husband, Daniel, had given her an unusual gift: a polygraph test to \"prove\" that she always told the truth. Although she accepted it hesitantly, something inside her told her that it was not a gesture of love, but of manipulation. Daniel used to belittle her and accuse her of making things up.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"Primera_toma_de_contacto_con_el_caso_una_entrevista\"><\/span>First contact with the case: an interview<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>At the first meeting, Daniel was confident, even arrogant. He said he wanted to \"put an end to useless discussions\". Isabel, on the other hand, was nervous, spoke cautiously, and had the look of someone who has learned to measure every word. Even so, he agreed to submit to the test unconditionally. I offered him the first round, and he accepted... at first.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"Diseno_del_cuestionario_claves_y_control\"><\/span>Questionnaire design: keys and control<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The aim was to detect whether Daniel had been unfaithful or whether he was hiding important aspects of his life. We alternated key questions with control questions to establish a reliable pattern.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3><span class=\"ez-toc-section\" id=\"Preguntas_de_control\"><\/span>Control questions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Have you ever lied to Isabel?<\/li>\n<li>Have you had secrets in your previous relationships?<\/li>\n<li>Do you have any regrets in your married life?<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3><span class=\"ez-toc-section\" id=\"Preguntas_clave\"><\/span>Key questions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Have you been unfaithful to Isabel in the last year?<\/li>\n<li>Have you had intimate contact with another person during your marriage?<\/li>\n<li>Have you withheld relevant information that could damage your relationship?<\/li>\n<li>Have you verbally or physically assaulted Isabel?<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid vc_custom_1746292123920\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<div class=\"vc_single_image-wrapper   vc_box_border_grey\"><img decoding=\"async\" width=\"800\" height=\"420\" src=\"https:\/\/elpoligrafo.es\/wp-content\/uploads\/2025\/05\/elpoligrafo-H2-a.jpg\" class=\"vc_single_image-img attachment-full\" alt=\"\" title=\"elpoligrafo-H2-a\" srcset=\"https:\/\/elpoligrafo.es\/wp-content\/uploads\/2025\/05\/elpoligrafo-H2-a.jpg 800w, https:\/\/elpoligrafo.es\/wp-content\/uploads\/2025\/05\/elpoligrafo-H2-a-300x158.jpg 300w, https:\/\/elpoligrafo.es\/wp-content\/uploads\/2025\/05\/elpoligrafo-H2-a-768x403.jpg 768w, https:\/\/elpoligrafo.es\/wp-content\/uploads\/2025\/05\/elpoligrafo-H2-a-18x9.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\"  data-dt-location=\"https:\/\/elpoligrafo.es\/en\/the-birthday-that-revealed-the-truth-infidelity-and-domestic-violence\/elpoligrafo-h2-a\/\" \/><\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"Instalacion_del_poligrafo_y_calibracion\"><\/span>Polygraph installation and calibration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Daniel sat opposite me, initially calm. We fitted him with sensors for respiration, blood pressure and galvanic conductance. We started with neutral questions:<\/p>\n<ul>\n<li>Is your name Daniel?<\/li>\n<li>Is today your birthday?<\/li>\n<li>Are you sitting down right now?<\/li>\n<\/ul>\n<p>These questions help to establish your physiological baseline before starting the actual questionnaire.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"La_sesion_entre_evasivas_y_tension_creciente\"><\/span>The session: between evasions and growing tension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>From the first questions, Daniel showed abnormal physiological responses. Increases in blood pressure, altered breathing and intense sweating appeared at key questions. His behaviour also changed: he became curt, defensive and began to question the process.<\/p>\n<p>After the first round, Isabel, calmer than expected, insisted that the test be repeated to avoid mistakes. The results were exactly the same.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"El_resultado_la_verdad_desvelada\"><\/span>The result: the truth unveiled<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The report was clear: Daniel was not telling the truth on several key questions, especially about fidelity and episodes of aggression. Moreover, his out-of-protocol behaviour, especially after the second test, raised worrying signs.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"Resolucion_final\"><\/span>Final resolution<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A few days later, Isabel contacted me again. Daniel had begun to threaten her, nervous about what was revealed in the test. This time, Isabel did not hesitate. The test not only showed her the truth, but gave her the courage she needed to protect herself and her children. She took legal action and surrounded herself with the necessary support.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span class=\"ez-toc-section\" id=\"Epilogo\"><\/span>Epilogue<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Some truths hurt, but they also liberate. This case shows how <a class=\"wpil_keyword_link\" title=\"the polygraph\" href=\"https:\/\/elpoligrafo.es\/en\/\" data-wpil-keyword-link=\"linked\">the polygraph<\/a>When properly applied, it not only reveals facts, but can save lives. Elizabeth didn't need evidence to know how she felt, but she needed it to act with strength.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Isabel, a mother of three, never imagined that her birthday would mark the beginning of a chain of events that would completely transform her life. Her husband, Daniel, had given her an unusual gift: a polygraph test to \"prove\" that she always told the truth. Although she accepted it hesitantly, something inside her...<\/p>","protected":false},"author":1,"featured_media":5731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[32],"tags":[],"class_list":["post-5729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-relatos","category-32","description-off"],"_links":{"self":[{"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/posts\/5729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/comments?post=5729"}],"version-history":[{"count":0,"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/posts\/5729\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/media\/5731"}],"wp:attachment":[{"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/media?parent=5729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/categories?post=5729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elpoligrafo.es\/en\/wp-json\/wp\/v2\/tags?post=5729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}