Forensic DNA testing to solve crimes up 71% in 3 years | Ahmedabad News

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Ahmedabad: Detectives investigating horrific crimes are increasingly relying on biological evidence collected from crime scenes to corroborate their investigative findings and pin down the accused. Analysis of DNA collected from crime scenes has increased by 71% in three years according to data from the first four months at Gandhinagar Forensic Science Branch.
The last case in which cops turned to DNA evidence to build a watertight case against the defendant was the kidnapping and murder of an Ahmedabad-based businessman in 2017. Along with other evidence that linked the six kidnappers to this case, the DNA sample taken from the toothpick found in the car and from the duct tape used to gag the victim. This was just one of many cases handled daily by the DFS over the past four years.
The monthly cases received by the DFS DNA analysis cell increased from 28 in 2019 to 48 in the first four months of 2022.
“Whether it is major POCSO (Protection of Children From Sexual Offenses) cases or horrific murder cases like the Grishma Vekaria case in Surat, DNA evidence is infallible and often decisive. Thus, more and more investigators are now insisting on DNA analysis of samples taken from crime scenes. In the past, we have even analyzed samples of spit-roasted paan and partially smoked bidis to link the defendant to the crimes,” a senior DFS official said. Officials said that of the total number of registered cases, around 65% are linked to POCSO, while rape cases account for around 20%.
“In several cases, the samples of bodily fluids or hair or parts of flesh are the only major evidence linking the accused to the case because the crime allegedly took place in a desolate place without eyewitnesses. sentencing have also improved due to the scientific nature of collecting and analyzing evidence,” said a DNA examiner.
“More cases are coming because there is more awareness of the scientific method in the districts these days. Previously, DNA analysis was used in crimes reported in cities,” he added.
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