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Fact check: What are the most common reasons for failing a polygraph test in the ICE hiring process?

Checked on September 9, 2025

1. Summary of the results

The analyses provided do not offer a clear answer to the question regarding the most common reasons for failing a polygraph test in the ICE hiring process [1]. However, it is noted that the failure rate for polygraph tests among CBP applicants is significant, with about two-thirds of applicants failing, and the current failure rate being around 50% [1]. Some sources suggest that the polygraph test can be aggressive and humiliating, with examiners potentially having preconceived notions about the applicants' likelihood of failing [2]. The types of questions asked during a polygraph exam for law enforcement positions, including employment history, armed forces service history, and drug history, are also highlighted [3]. The limitations and effectiveness of polygraph tests are discussed in the context of their use by federal agencies for investigating leaks and unauthorized disclosures [4]. Overall, while the analyses do not provide direct reasons for failing a polygraph test in the ICE hiring process, they underscore the challenges and controversies surrounding the use of polygraph tests in hiring processes [2] [4].

2. Missing context/alternative viewpoints

A key piece of missing context is specific data on the reasons for polygraph test failures in the ICE hiring process, which none of the sources provide [1]. Alternative viewpoints, such as the experiences of successful applicants or expert opinions on polygraph test reliability, are also not represented in the analyses [2] [3]. Furthermore, the impact of polygraph tests on diversity and inclusion in law enforcement agencies, as well as alternative methods for assessing applicant integrity, are not discussed [4] [5]. Considering these alternative viewpoints could provide a more comprehensive understanding of the role of polygraph tests in the ICE hiring process.

3. Potential misinformation/bias in the original statement

The original statement may be misleading by implying that there are well-documented, common reasons for failing a polygraph test in the ICE hiring process, which the analyses do not support [1]. Bias against the use of polygraph tests may be present in some sources, which highlight the high failure rates and the potential for aggressive and humiliating experiences [2]. Conversely, bias in favor of the tests might be inferred from sources that discuss their use without critically examining their effectiveness or the potential for misuse [4]. The ICE and other law enforcement agencies may benefit from the current framing, as it allows them to maintain the use of polygraph tests as a hiring tool without fully addressing the concerns and controversies surrounding their use [1] [4]. Applicants and advocacy groups might benefit from a more critical examination of polygraph test practices and their impact on hiring outcomes [2] [5].

Want to dive deeper?
What are the most common polygraph test questions asked during the ICE hiring process?
Can you fail an ICE polygraph test due to nervousness or anxiety?
How does the ICE polygraph test evaluate deception versus truthfulness?
What are the consequences of failing a polygraph test during the ICE hiring process?
Are there any specific polygraph test preparation strategies for ICE applicants?