DVR systems can be tricky to operate, and it’s not uncommon for valuable evidence to be unintentionally deleted or reformatted. In one recent case study shared with us from Video Analyst Ali Murray in Minneapolis, an owner accidentally reset the timestamp of their DVR, rendering the video from the shooting inaccessible with traditional recovery. Luckily,Read more
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The term “inaccessible to the DVR” is used to denote data which the DVR no longer has access to. Sometimes this inaccessible data can be recovered, but it depends on how the video came to be inaccessible, how much recording has occurred since that time, and where the video exists in the filesystem. Learn more about how DVR Examiner is able to recover inaccessible and deleted data.
How can you verify that DVR Examiner is finding all the video on the drive? There are a few ways users can use empirical verification to be sure DVR Examiner is recovering all the evidence you need.
Many DVR Examiner users find value in the ability to run a DVR scan or export unattended, so you can focus on other tasks while the program recovers vital video evidence. For DVR Examiner to successfully scan the hard drive, it is important to be sure to set your USB Power Settings correctly.
Did you know that DVR Examiner can help save time and resources in the field? In this example case study, we look at how to safely and securely recover CCTV/DVR surveillance video in the field.
In the latest release of DVR Examiner – 2.6 – the DME Forensics team focused on updating the DVR Examiner software to allow for increased support functionality. One of the benefits you see in this update is improved scan times for filesystems with many clips.
While other disk imaging programs can be time consuming, DVR Examiner can create a forensically sound disk image in just one simple step.
At the heart of DVR Examiner is its ability to read a proprietary DVR filesystem and display and extract the data contained on the device. This post touches on some of the first steps our team takes to understand how each different filesystem works.
There are several different methods commonly used when recovering video evidence from DVRs. DVR Examiner is a useful tool because it allows you to recover the video fast – usually much faster than traditional methods – and in a forensically sound manner. Still, there is no one solution for every case, and it’s important to know what to do when DVR Examiner doesn’t work as you might hope.
Depending on the file system of the DVR hard drive you are scanning, you may come across a distorted split frame video clip when previewing. At first glance, it appears the same video frame is displayed twice, however, what you are seeing is half of the frame displayed on the top and half of the frame displayed on the bottom.
