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On the 9th of March 2018 at around 9:30am, a burglary was committed against the owners of a green 2010 smart car. It was reported that the criminal broke into the household of the owners using common tools and retrieved the keys from the kitchen counter before making off with the vehicle.

The vehicle was driven near too to Tresham college Kettering, only a few miles from the owners home, where it had struck a pedestrian and crashed. The suspect managed to ditch the vehicle and get away. The pedestrian was taken to Kettering General Hospital to be treated for severe injuries before the SOCO and investigation team arrived on scene.

The weather conditions on arrival to the scene were foggy and the ground was slightly damp due to this.

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Used:
iPhone 7 camera
Tape measure
Full hazmat suit and gloves
Number markers
Evidence bags

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Area where the pedestrian that was hit landed. Body taken away prior to investigation.

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Small skid mark

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Passenger side interior of vehicle

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Small skid mark

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Front passenger side headlight: cracked with broken pieces on the floor

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Cracked headlight on front passenger side

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Rear of vehicle showing skid marks under tyres

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Long shot of passenger door open showing side of vehicle, skid marks and slight interior of the car

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Interior drivers side footwell showing empty alcohol bottle in cupholder

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Rear passenger side bumper

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Rear view of vehicle and passenger side

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Passenger interior footwell showing multiple empty alcohol bottles

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Driver side view of side and rear of vehicle showing skid marks under tyres

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Passenger side cupholder area showing empty alcohol containers

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Driver side view of rear bumper, side and rear of vehicle

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Drivers side rear bumper, ground and tire

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Front drivers side view of vehicle showing skid marks behind vehicle

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Rear driver side view showing vehicle with all doors and boot open as well as the skid marks under the rear right tire

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Drivers side view of full vehicle and skid marks

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Drivers side view of vehicle will all doors and boot open to show contents. An alcohol container can be seen in the driver's cupholder

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Front view of vehicle from passenger side angle. Shows cracked passenger headlight

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Front drivers side of vehicle showing skid marks behind it

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Piece of a lighter found close to the scene. Taken as evidence as it could hold DNA

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Skid marks a few meters behind the vehicle showing where they first applied their brakes and skidded

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Long shot of vehicle rear showing journey and skid marks on the floor

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iPhone 7 camera was used as it takes high-quality, 12 mega-pixel images. It is a very lightweight device which makes it very practical for the situation as it can be easily be carried in a pocket and taken out when needed. It also has the ability to flash and apply different settings to the photograph. We did not however use the flash function in our investigation due the weather conditions being foggy.

The tape measure was used to record the distance between the car and the skid marks. It was also used to aid the calculations in working out pedestrian throw distance.

Full hazmat suits and gloves were used so that none of the evidence is compromised by cross-contamination.

Number markers are used to mark pieces of evidence before they are collected or photographed.

Evidence bags were used to store different types of evidence. Paper bags are for evidence containing DNA such as an empty alcohol bottle where DNA could be collected from the drinking area.

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Home owners injury from top view against scale. Shows bruising around thumb.

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Home owners hand injury. Left hand cut on lower thumb/palm area with surrounding bruising. Taken from a top side view.

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Screwdriver, placed next to scale. Believed to be used to break into owners household to retrieve vehicle keys.

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Hammer image besides scale. Also believed to be used the aid the criminal to break into the owners home to steal vehicle keys.

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Footprint mark left inside owners home. when measured, was around  305mm which in a UK size, equals around size 11.5/12.

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One to one imaging and acceptable manipulation

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One to one imaging and acceptable manipulation

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Manipulating an image can compromise its ability to support a case. However, some images can be modified slightly in ways that do not affect their integrity. For example, in this one-to-one image of a lifted footprint, it has been zoomed in too better see the scale next to the evidence. This is used to aid find the size of the criminals shoes and can be compared to that of a suspect to confirm or rule out suspicions.

This photo has been slightly manipulated to expand its forensic value in an investigation with zoom and orientation change. This is done to get a better view of the scale and work out the size of the shoe. Using the scale it can be seen that the print is 305mm in length which converts to around a size 11.5/12 in UK sizes. This is a less common size and therefor may make it easier to find a suspect.

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Manipulation software is often used to aid in investigations to enhance images whilst not manipulating them too much to be misleading. There are many techniques that can be used to enhance an image without damaging the integrity of the original image.

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One form off acceptable manipulation techniques would be zoom. Zooming into a photo can be extremely supportive to a case as it can help identify something that is hard too see from far away such as text or a small detail that is hard to make out. It can also aid in focusing in one area of a photograph, in this case, the skid marks behind a vehicle are the main focus in the manipulated image. This helps see the extent of the tire marks and also an insight on tire condition.

The only downside to zoom is that if the image is low quality, the image becomes blurry when zoomed in too much.

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Another commonly used technique used would be cropping. With the approval of a SOCO an officer can manipulate an image in this way. This aids the investigation in the same way in which the zoom does, by cutting out background image to focus on one area of the picture. For example, in image 21, there is a large building in the background that is little use to the investigation so can be cropped out to only show the vehicle.

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Image manipulations can be acceptable up to a certain point until the integrity is compromised and the image can no longer efficiently stand as evidence as it may look so much worse than it is. An image could also be altered to make an injury not look as bad as it is which could lead to a prosecution that is too low.

For example, this is an image (32) of an injury sustained to the victim during the incident however it has been manipulated to tool like this. The exposure settings were decreased to make the bruised area look worse and make the wound look deeper. This could alter with the outcome of a case.