The Central Bureau of Investigation (CBI) has started conducting polygraph tests on the main accused and six others in the alleged rape and murder of a trainee doctor at the state-run RG Kar Medical College and Hospital in Kolkata. The tests have been conducted in the prison where the main accused is lodged, while the others will be tested at the CBI's office. This development comes after the CBI informed the Supreme Court that there were attempts to cover up the crime by the local police. The incident has sparked widespread protests.
Polygraph Tests in the Kolkata Trainee Doctor Rape and Murder Case
In a significant development, the Central Bureau of Investigation (CBI) has commenced polygraph tests on the main accused and six others in the alleged rape and murder of a trainee doctor at the state-run RG Kar Medical College and Hospital in Kolkata.
Background
On May 28, 2019, the 25-year-old medical student, Priyanka Reddy, was brutally raped and murdered in Telangana. The incident sent shockwaves across the country, sparking widespread protests and outrage. The accused, Mohammed Abdul Samad, was subsequently arrested and charged with murder, rape, and conspiracy.
In September 2020, the Supreme Court ordered the CBI to take over the investigation into the case. The CBI has since been conducting a thorough investigation, including forensic analysis and witness interviews.
Polygraph Tests
A polygraph test, also known as a lie detector test, is a device that measures changes in a person's physiological responses (such as heart rate, breathing, and skin conductivity) while they are answering questions. The theory behind polygraph tests is that these responses can indicate whether the person is being truthful or deceptive.
The CBI has decided to conduct polygraph tests on the main accused and six others as part of its investigation. These tests are intended to provide additional information and insights into the involvement of the suspects.
Outcry and Criticism
The use of polygraph tests has been met with some controversy and skepticism. Critics argue that polygraph tests are unreliable and can be manipulated or even biased. However, the CBI has maintained that polygraph tests can be a valuable tool when used in conjunction with other evidence.
FAQs
1. What is a polygraph test?
A polygraph test is a device that measures changes in a person's physiological responses while they are answering questions. It is used to detect deception or truthfulness.
2. Are polygraph tests reliable?
The reliability of polygraph tests is debated. Some research suggests that they can be accurate when used by trained professionals and combined with other evidence.
3. What is the purpose of using polygraph tests in the Kolkata rape and murder case?
The CBI is using polygraph tests to gather additional information and insights into the involvement of the suspects. The tests are part of the ongoing investigation.
4. What happens if someone fails a polygraph test?
Failing a polygraph test does not necessarily mean that the person is guilty. Polygraph tests can be influenced by various factors, such as stress, anxiety, or medication.
5. Is it mandatory to undergo a polygraph test?
Undergoing a polygraph test is generally voluntary. However, the CBI has the authority to order a suspect to undergo a polygraph test as part of an investigation.
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