What is Polygraph Test, CBI to conduct in Kolkata rape-murder case?

Notably, the decision to conduct the polygraphic test has come after a special court in Kolkata allowed CBI to go ahead with the same.

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Polygraph Test (flickr)

The Central Bureau of Investigation (CBI) is set to conduct polygraph tests in the high-profile rape and murder case involving former principal Dr Sandip Ghosh and four other doctors. This development marks a significant step in the investigation into the gruesome crime that has shocked Kolkata and the wider community. According to the officials, the four doctors had dinner with the accused a day before the incident.

Overview of the Case

The case in question revolves around the alleged rape and murder of a young woman, a crime that has garnered widespread media attention and public outrage. Former principal Dr Sandip Ghosh, along with four other doctors, stands accused of involvement in this heinous act. The CBI, tasked with unravelling the complexities of this case, is utilizing advanced forensic techniques to gather crucial evidence. 

Notably, the decision to conduct the polygraphic test has come after a special court in Kolkata allowed CBI to go ahead with the same.

The Role of the Polygraph Test

A polygraph test, commonly known as a lie detector test, is a tool used to assess whether a person is being truthful or deceptive by measuring physiological responses. The CBI’s decision to use polygraph tests underscores the seriousness of the investigation and their commitment to uncovering the truth. This test will involve measuring various physiological indicators, including heart rate, blood pressure, and respiration, while the suspects are questioned about their involvement in the crime.

The polygraph test is expected to play a pivotal role in clarifying the suspects' statements and establishing the facts of the case. By analyzing the physiological responses during the questioning, investigators aim to determine the integrity of the suspects' accounts.

Expert Opinions

Legal and forensic experts view polygraph tests as a critical component in complex criminal investigations. According to one of the renowned forensic expert, “Polygraph tests can provide valuable insights into the credibility of statements made by suspects. While not foolproof, they can help guide investigators towards the truth.”
Implications for the Investigation

The results of the polygraph tests are anticipated to have significant implications for the ongoing investigation. Depending on the outcomes, the CBI may be able to confirm or refute various aspects of the suspects' narratives, which could lead to further developments in the case.

The public and media are closely following the progress of this investigation, and the results of the polygraph tests are expected to be a focal point of scrutiny. As the case unfolds, the CBI remains under intense pressure to deliver justice and provide answers to the victim's family and the community at large.