WSCL emblem
The Wisconsin State Crime Laboratory Bureau (WSCLB), or Wisconsin State Crime Lab (WSCL) is the State of Wisconsin's forensic laboratory.
People[]
| Name | Role | Notes |
|---|---|---|
| Guang Zhang | Forensic scientist Field response unit |
|
| John Ertl | Forensic Scientist DNA analyst Field response unit |
· discovered “red fluid” in the garage · present during burn pit search |
| Kenneth Olsen | Forensic Scientist Trace evidence examiner Field response unit Bloodstain pattern examiner |
· discovered radiopaque particles in bullet holes in Halbach's skull |
| Nick Stahlke | Forensic scientist Bloodspatter Analyst |
· discovered blood in the RAV4 |
| Sherry Culhane | Forensic scientist DNA Technical Unit Leader |
· found DNA on the key, bullet and RAV4 |
| William Newhouse | Firearms and toolmark examiner | · examined Steven’s rifle, item FL and other ballistics evidence. |
Employees[]
A brief overview of the Wisconsin State Crime Lab employees involved with the Avery and/or Dassey cases.
Kenneth B. Olsen[]
A forensic scientist whose main tasks are as a trace evidence examiner. Olsen is also part of the lab’s field response unit and is also a bloodstain pattern examiner. In 2007 he has been with the State Crime Lab for about 27 years.[1] By 2007 Olsen has been called to testify at trials about 165 times.[2]
Olsen has a bachelors of science degree, with a major in chemistry from the University of Wisconsin at Superior. Olsen has attended courses about once a year, including a training for using the scanning electron microscope with an energy dispersive x-ray analyzer.[3]
Role in investigation
- Received charred items from Steven Avery’s burn barrel and was requested to examine to find any information on what they might be.
- Received skull fragments with unnatural openings.
John Ertl[]
Forensic scientist who works for the DNA Analysis Unit and the Field Response Team. Began working at the crime lab in January 2000. Has also worked as a forensic scientist with state crime labs in Milwaukee and Austin, Texas.[4] Ertl has an undergraduate degree in chemistry from the University of Wisconsin and a graduate degree in molecular biology, also from the University of Wisconsin.[5]
References[]
- ↑ Avery Trial Transcripts, day 15 - testimony of Kenneth Olsen, page 4
- ↑ Avery Trial Transcripts, day 15 - testimony of Kenneth Olsen, page 8
- ↑ Avery Trial Transcripts, day 15 - testimony of Kenneth Olsen, page 5
- ↑ Avery Trial Transcripts, day 6 - testimony of John Ertl, page 4
- ↑ Avery Trial Transcripts, day 6 - testimony of John Ertl, page 7