Rep. Brian Raymund Yamsuan of Bicol Saro party-list group pushes the passage of a bill that will allow law enforcers to get rid of “obsolete and unreliable investigation procedures” such as paraffin testing in favor of modern, science-driven forensic techniques in gathering and preserving evidence in crime scenes.
Yamsuan, a former assistant secretary of the Department of the Interior and Local Government (DILG), said House Bill 7975 which he filed will help the Philippine National Police (PNP) and other law enforcement agencies to better secure evidence in crime scenes and improve their case buildup in court.
“Out with the old, in with the new. Our law enforcers should ditch outdated crime investigation methods and embrace technology and science in doing their job. This would not only ensure airtight cases against crime suspects, it would help build the public’s trust in police investigations,” Yamsuan stressed.
As envisioned by Yamsuan, modern investigation techniques should be complemented by continuing education and retraining on police operational procedures.
He said one obsolete technique—the use of paraffin tests on persons suspected of having fired a gun, has been ruled by the Supreme Court as unreliable more than 30 years ago, and abandoned as part of casework in other countries.
The Supreme Court has already held in several rulings that paraffin tests for gunpowder residue was inconclusive in proving whether or not a person has fired a gun, Yamsuan noted.
He said the High Court has already pointed out that the procedure only establishes the presence or absence of nitrates or nitrites on the hand. This is inconclusive as evidence that one has discharged a firearm because nitrates or nitrites can be absent even if a person has fired a gun, or present if the person has held substances other than gunpowder but with nitrates present in them.
“The science of criminal investigations should also change to keep up with the rapid pace of modern life, heavy reliance on computers and technology for a wide array of transactions. Keeping up with strategies is significant in the maintenance of peace and order in our society and in the administration of justice,” the authors said in the bill’s said.
Yamsuan recalled that former PNP chief- now Senator Ronaldo dela Rosa has also said that even a non-shooter can yield a positive paraffin test if someone fired a gun near him or her.
Aside from doing away with obsolete crime investigation methods, Yamsuan said HB 7975 also stresses the importance of securing crime scenes and preserving them with minimal contamination and disturbance of physical evidence.
Yamsuan said this is important because a report quoting the Department of Justice (DOJ) found that 90 to 95 percent of cases filed by law enforcement agencies before state prosecutors were dismissed “due to lack of documents or technicalities.” Also, 80 to 90 percent of cases filed by prosecutors were dismissed by the courts because of lack of evidence or due to technicalities.
These shortcomings are often committed by law enforcers at the scene of the crime, the bill’s proponents noted.
HB 7975 also calls for the creation a Crime Investigation Modernization Committee (CIMC) chaired by the Secretary of the DILG and with the chief of the PNP, the director of the National Bureau of Investigation (NBI) and two forensic experts appointed by the President as members.
Yamsuan said the CIMC is tasked, among others, to conduct a study on modern criminal investigation methods and their applicability to the Philippine setting, and create a crime investigation manual for law enforcement officers according to the standards set under the bill.
The CIMC is also responsible for sending scholars for training in forensic science and related fields. These scholars are required to render government service for at least three years after completing their study and training.
Within two years after its creation, the CIMC should also complete a study to be submitted to Congress on the feasibility of creating a course on forensic science in state universities and colleges (SUCs), according to Yamsuan, who filed the bill with Camarines Sur 2nd District Rep. LRay Villafuerte.
Under the bill, the CIMC is also duty bound to engage in dialogues with foreign police agencies for the possible transfer of technology in forensic investigations.
Yamsuan said within three years after its creation, the CIMC is also tasked to submit a report to Congress on the costs and ways of implementing a comprehensive program on modernizing crime investigations in the country.
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