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BlindSpot: An Introduction to Forensic Science and Expert Witnes

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My forensic philosophy is that authentication and clarification of audio/video media combines art as well as science. The methods that I use require attention to detail and scientific principles, complemented by an appreciation for clarity and aesthetics. My techniques are derived from both a formal education and the application of skills gained by working in many forensics situations.

My forensic philosophy is that authentication and clarification of audio/video media combines art as well as science. The methods that I use require attention to detail and scientific principles, complemented by an appreciation for clarity and aesthetics. My techniques are derived from both a formal education and the application of skills gained by working in many forensics situations.
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Location:

Rochester Hills, MI

Description:

My forensic philosophy is that authentication and clarification of audio/video media combines art as well as science. The methods that I use require attention to detail and scientific principles, complemented by an appreciation for clarity and aesthetics. My techniques are derived from both a formal education and the application of skills gained by working in many forensics situations.

Language:

English


Episodes

Forensic Audio Enhancement -Equalization

7/1/2015
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Forensic audio enhancement is a scientific process. Remove the unwanted sound and increase the wanted sound. In many cases, based on our 34 years of experience, the wanted sound is most always dialogue. The Use of Equalizers for Forensic Audio Enhancement An equalizer is one of the most important filters or tools for audio enhancement. […] The post Forensic Audio Enhancement -Equalization appeared first on Primeau Forensics.

Duration:00:11:12

21: Audio Enhancement – Compression

5/28/2015
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As an Audio Forensic Expert, knowing what tools are available for audio enhancement and how they work is extremely important. While compressors are often thought of as tools for music production, they serve many functions in the Audio Forensic world. Like with most audio signal processors, it takes training and experience to operate compressors properly […] The post 21: Audio Enhancement – Compression appeared first on Primeau Forensics.

Duration:00:09:03

20: Body-worn Cameras with Sgt. Bill Tilson

4/27/2015
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Sgt. Bill Tilson is a police officer with the Coeur d’Alene Police Department in Coeur d’Alene, Idaho. He has been working in the department since September 2002 and began working with body-worn cameras in 2012 when the department began issuing them to officers. He received a Bachelors degree in Criminal Justice and Corrections from Lewis-Clark […] The post 20: Body-worn Cameras with Sgt. Bill Tilson appeared first on Primeau Forensics.

Duration:00:24:02

Audio Enhancement – Noise Reduction

4/3/2015
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Most recordings that I come across as an Audio Forensic Expert require audio enhancement. This is because they are made in poor conditions and have an abundance of noise. Though there are many ways to reduce the noise floor in a recording, there is no guaranteed method. The noise floor can be defined as a sum of […] The post Audio Enhancement – Noise Reduction appeared first on Primeau Forensics.

Duration:00:11:51

18: Creating Video Work Product as an Audio Video Forensic Expert

2/27/2015
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Video work product is a way to document forensic investigations, like evidence recovery, for reference at a later date. Processes and procedures are documented using a video camera by a forensic expert during a forensic investigation for future use. I have referred back to my video work product many times during the course of a […] The post 18: Creating Video Work Product as an Audio Video Forensic Expert appeared first on Primeau Forensics.

Duration:00:09:12

17: How to Make Digital Audio Evidence

2/12/2015
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Digital Audio Evidence can often be one of the most important pieces of evidence for a case, so it should always be given a great deal of attention. I’m going to cover some tips on how to create the best audio recording possible, whether it’s a police interview, a concealed recording or anything in between. […] The post 17: How to Make Digital Audio Evidence appeared first on Primeau Forensics.

Duration:00:13:57

16: VIEVU Body Cameras with Steve Ward

1/22/2015
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Body worn cameras, a police officers tool for safety. We believe if there was more statistics available, it would help law enforcement officers decide to implement the use of body-worn cameras in their departments. We met with Steve Ward is the CEO and founder of VIEVU. Vievu has since merged with Axon, one of the countries […] The post 16: VIEVU Body Cameras with Steve Ward appeared first on Primeau Forensics.

Duration:00:16:42

15: A Step-by-Step Approach to Forensic Audio Enhancement

1/19/2015
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One of the most common jobs for an Audio Forensic Expert is enhancing a digital audio recording for intelligibility and clarification. Audio evidence is often recorded in less than optimal situations with poor quality equipment. This evidence can be vital to a case and when the content of the recording cannot be heard, the evidence […] The post 15: A Step-by-Step Approach to Forensic Audio Enhancement appeared first on Primeau Forensics.

Duration:00:13:22

14: Video Surveillance with David Spreadborough

12/11/2014
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Video Surveillance expert David Spreadborough is a CCTV investigator and a police officer for the Cheshire Police Department in Cheshire, England. He has been a part of the police force for 23 years and began his video forensic career in 2003. David is a member of the Law Enforcement & Emergency Services Video Association International […] The post 14: Video Surveillance with David Spreadborough appeared first on Primeau Forensics.

Duration:00:20:50

13: Voice Identification with Maria do Carmo Gargaglione

12/4/2014
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Maria do Carmo Gargaglione is the Director of the Division of Digital and Technological Forensic Evidence at the Public Ministry of Rio De Janeiro. She has been a speech-language pathologist for over thirty years. She is an expert in voice identification, facial identification and handwriting analysis. She began working in forensics in 2000 and began working […] The post 13: Voice Identification with Maria do Carmo Gargaglione appeared first on Primeau Forensics.

Duration:00:16:00

12: Video Forensics with Dorothy Stout

12/1/2014
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Dorothy Stout is a Video Forensics Expert and owner of Resolution Video Inc. She has been analyzing video since 1998 and has testified in all levels of courts in the United States. Dorothy received her Bachelor degree in Psychology and her Masters in Forensic Science and began her career at the US Postal Inspection Service. […] The post 12: Video Forensics with Dorothy Stout appeared first on Primeau Forensics.

Duration:00:18:38

11: Talking Forensics with Audio & Video Forensic Expert Allen Combs

11/20/2014
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Allen Combs is an Audio and Video Forensic Expert with over ten years of experience in multimedia work. He began working as an audio engineer in recording studios and continued working in music production until making the transition into digital media forensics. When he began his work as an audio & video forensic expert, Allen […] The post 11: Talking Forensics with Audio & Video Forensic Expert Allen Combs appeared first on Primeau Forensics.

Duration:00:20:10

10: How to Authenticate Digital Audio Evidence

11/14/2014
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To authenticate digital audio evidence is an importance process to verify the integrity of a digital audio recording in court. Establishing a solid chain of custody is the first step in the authentication process but does not in and of itself authenticate a piece of evidence. We have seen audio evidence that was not authentic and was […] The post 10: How to Authenticate Digital Audio Evidence appeared first on Primeau Forensics.

Duration:00:13:06

9: How to Recover Digital Media Evidence

11/7/2014
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I’d like to discuss evidence recovery, specifically digital media evidence recovery. Having a forensic expert retrieve the evidence maintains the quality of the evidence and can help ensure that the original evidence stays intact on the original system so it can later be retrieved by other parties. This is why it is extremely important that […] The post 9: How to Recover Digital Media Evidence appeared first on Primeau Forensics.

Duration:00:12:12

8: How to Give an Expert Deposition

10/30/2014
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An Expert Deposition is one of the most important activities performed by forensic experts, second only to the final testimony. A deposition is the process where the opposing lawyers question the forensic expert, under oath, about what they are going to testify during trial. These questions are designed for the opposing lawyer to gain information […] The post 8: How to Give an Expert Deposition appeared first on Primeau Forensics.

Duration:00:11:06

7: Importance of the Chain of Custody for Digital Media Evidence

10/27/2014
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Establishing chain of custody when authenticating digital media evidence for use in the courtroom is extremely important. The chain of custody must account for the seizure, storage, transfer and condition of the evidence. The chain of custody is absolutely necessary for admissible evidence in court. Importance to the expert My forensic software allows me to look […] The post 7: Importance of the Chain of Custody for Digital Media Evidence appeared first on Primeau Forensics.

Duration:00:08:58

6: Continuing Education as a Forensic Expert

10/9/2014
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As a forensic expert, continuing your education in your field of expertise is extremely important in remaining a credible forensic expert. I practice audio and video forensic work and at the rate that technology is evolving, it’s important for me to stay up to date on all of the latest advancements in the field. This is […] The post 6: Continuing Education as a Forensic Expert appeared first on Primeau Forensics.

Duration:00:08:58

5: How to Perform a Voice Identification

9/29/2014
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Voice Identification (also known as Speaker Recognition) plays a very important part in the forensic world. I practice voice identification regularly as an Audio Forensic Expert and I believe it is a viable and often crucial science when working on a forensic assignment. I chose this topic for this podcast because I just released my […] The post 5: How to Perform a Voice Identification appeared first on Primeau Forensics.

Duration:00:12:14

4: Forensic Science – How to Prepare to be an Expert Witness

9/16/2014
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Becoming an expert witness is a challenging step for a forensic expert. In an earlier post we talked about putting together your CV and its importance in building your credibility as a forensic expert. Now, we will go over the how to prepare yourself and your team for trial and what to expect when testifying in […] The post 4: Forensic Science – How to Prepare to be an Expert Witness appeared first on Primeau Forensics.

Duration:00:14:38

3: Forensic Science – Writing Your Forensic Report

9/5/2014
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The forensic report is a forensic experts full report of their work on a case for court. It includes everything the forensic expert did while examining the evidence along with their findings throughout the investigation. In this post, we will briefly talk with Chicago trial attorney Shawn Warner about the importance of the forensic report and […] The post 3: Forensic Science – Writing Your Forensic Report appeared first on Primeau Forensics.

Duration:00:08:04