Why is it in the news ?
1.A teenage boy from a wealthy family of Pune killed two engineers by his car, who were riding on the bike on the road. The boy was alleged to have been drunk. Although the driver was sitting within the Porsche car, the teenager boy was driving the car. The accident occurred on the night of 19th May 2024.
2.The police arrested the mother, father and grandfather of the teenage accused. Her mother was accused of giving her blood sample so that it could be swapped with that of her 17 year old accused son. Similarly, his father was accused of swapping the blood sample of his son so that the blood test of the accused should not have the content of alcohol in his blood. The grandfather was accused of abducting the driver and forcing him to take the blame for the accident that killed two software engineers.
3.Police also arrested Ajay Tawde, the former head of the forensic medicine department at the state run Sasoon Hospital, Dr. Shri Hari Harnon, casualty medical officer and Atul Ghat Kamble, staff at the morgue for allegedly changing the minor’s blood sample in return for financial favours. The trio have since been placed under suspension.
4.Police is going to collect the DNA sample of the mother of the accused so that it can be matched with a swapped sample at Sasoon hospital.
5.The accused teenage boy is under remand at an observation home in Pune till June 5th on the revised order of juvenile justice board. The interrogation is going on to ascertain the location of the accused teenager before the accident, about him driving the vehicle, about how the accident happened and what happened at Sasoon hospital.
6.The police questioned the hospital nurses, leading to the revelation of the accused mother's alleged involvement in the swapping of blood samples.
7.The role of sitting MLA, Sunil Tingre of NCP (Ajit Pawar) who reached the Yerwada police station immediately after the incident, is also being investigated by the police.
8.Meanwhile the CM of Maharashtra Eknath Shinde has expressed grief over the Pune luxury car crash and promised that the guilty will not be spared. The CM Shinde assured parents of the killed engineers of thorough investigation in the case. He assured that he will personally monitor the case and will review it daily.
Introduction
1.Road accidents have been the leading cause of deaths worldwide.
2.In 2019, a total of 4,49,002 accidents were reported across the country resulting in 1,51,113 deaths and 4,51,361 injuries to road users. This averages to almost 1230 accidents, 414 deaths daily.
3. The 5.04% of total roads in India comprise of national and state highways and have cumulatively accounted for almost 54% accidents and 60% deaths in the country with the balance 94% of Indian roads contributing to 45% of road accidents and 39% of deaths. The high number of accidents on highways are indicative of overspeeding being the primary cause for such accidents.
How to investigate car accidents on the road?
1.The main purpose of the whole investigation of an accident is to establish the cause of the incident.
2.The cause of the accident is necessary for the investigation of the case in order to fix responsibility upon the guilty, to make known the nature of the incident to the family members of the victim as to how the accident took place. It is also necessary for safety authorities to make improvements so that such types of accidents can be prevented from re- occurrence.
3.In a car accident, it is necessary to establish the identity of the location where the accident took place on the highways or roads.
To identify the driver in a case where the owner of the vehicle alleges the theft of his vehicle.
To identify the vehicle in a hit and run case.
4.Collection of physical evidence from the scene of crime is of primary importance. Location of the vehicle may be sketched, photograph should be taken, dent on the accidental car should be taken note of. In case of collision the traces left on the car according to the principle of mutual exchange should be taken note of as per Locard's theory.
5.At the crime scene following evidence should be collected -
The location, direction and position of the accidental car.
Broken or damaged part of the vehicle.
Greases and lubricants
Glass pieces of various shapes and sizes.
Tire impressions of the four wheels which are found either at sharp turns or where the vehicle has been reversed or when the brake has been used to lock the wheels.
Skid marks. The formula of a skid mark is S = 5.5√CL where S is the speed of the vehicle (in miles per hour), C is the coefficient of the friction between surface of the road and the tyres of the vehicle and L stands for the length of the longest skid mark on the surface in feet. If the road is dry the value of C normally ranges between 0.69 and 0.75. For example, there is a skid mark of 32 feet and coefficient is 0.72, the speed of the car would be 26.4 miles/hr.
Dust,dirt or other debris fell from the suspect vehicle at the time of impact.
Personal or vehicular articles left at the scene.
Drag marks of the loaded material.
6.Following examination of the vehicle should be done
Finger and palm print, tool marks and fabric prints.
Hair, fibres, blood stains or skin pieces from the victim, small broken parts or fragments of the vehicle or the article hit.
Broken glass, paint, greases, lubricants from the vehicles which were hit and control samples from the suspected vehicles or similar articles to those left at the scene of crime.
Cigarettes and Bidi butts from the vehicle.
Mechanical fault of the vehicle.
Evidence related to changes in paints and numbers on registration plate and serial number on engine and chassis.
Evidence related to overloading of vehicles.
7.Following examinations of the victim / driver should be done
Injuries
Blood present on the clothes
Hair, skin
Alcohol and narcotics in the body, if the victim has taken the same.
Signs of disease from post mortem report.
Physical examination of the driver including his blood samples to ascertain whether he was drunk at the time of accident or have taken some narcotics and psychotropic drugs like heroin, morphin, charas, ganja or hasis, opium
8. Collection of physical evidences
Take photographs and make sketches of the scene at the earliest without any disturbance at the place.
Photographs and sketches should be taken in such a way that the location of the accident scene can be fixed by including some of the prominent fixed landmarks like milestones or any hoarding.
Photographs should be taken in such a way to show the identity of the vehicle, like the kind of vehicle or its number plate.
Before taking away the vehicle, note down the reading of the speedometer, record the temperature of the vehicle, of the atmosphere and of the water in the radiator.
Evaluation of the physical evidence
Evaluation should be based upon logic and feasibility.
The statements of witnesses should be corroborated with the collected physical evidence from the scene of crime.
Relationships should be established between the marks and the person involved.
The investigator should develop his own interpretation about the crime.
The evidence of the eye witnesses should be reviewed. Are there any areas of agreement or disagreement or if there are disagreements, then why?
The condition of the vehicle is to be examined as to whether the vehicle itself was the cause of the accident or not?
What was the speed at the time of road accidents because overspeeding is one of the biggest causes of the crash.
Condition of the road and the ability of the driver and his physical health have also to be examined.
By the measurement of the skid mark, the initial velocity of the accidental car can be ascertained.
The visibility and extent of the vehicle damage have to be ascertained.
Conclusion
The investigation of a vehicle accident is to ascertain the cause of the incident to establish the guilt of the accused in the court of law.
In the investigation of vehicle accidents, physical evidence plays a very important role.
In most of the hit and run or accidental cases, the vehicle involved may carry traces from the scene of occurrence or from other vehicles involved.
Skid marks play a very important role in measuring the initial speed of the accidental car.
Similarly, the extent of vehicle damage indicates the over speeding of the vehicle.
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