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Author: Yujiemi Chisholm
Publications

Forensic Genetic Genealogy Laboratory Considerations and Technology Limitations

The application of forensic genetic genealogy (FGG) has technological limitations and will not resolve every case. By taking the time to thoroughly evaluate cases and associated evidence with both local crime laboratory representatives and FGG vendor laboratory representatives, law enforcement investigators can greatly increase the chances of attaining successful case resolutions with FGG. This brief provides the SAKI TTA Team’s guidance on evidence submission based on current successes seen within the field and suggested questions to consider when choosing a FGG laboratory vendor [Description provided by the SAKI TTA website].
October 2022
FTCOE

Just Using Forensic Art And Anthropology For Identification

In episode four of the FTCOE’s Applications of Forensic Science for Human Identification season, the presenters discuss human identification using forensic anthropology and facial approximations, including how various entities interact to solve cases and how to contact local forensic anthropologists and forensic artists.

This episode contains content that is sensitive in nature and may be potentially triggering to some audiences. Viewer discretion is advised.

September 2022
FTCOE

Just Identifying Individuals With Forensic Genetic Genealogy

In episode one of the FTCOE’s Applications of Forensic Science for Human Identification season, the presenters discuss the use of forensic genetic genealogy (FGG) in identifying human remains, how it differs from searching a DNA profile in CODIS, what limitations exist when using DNA technologies to identify unknown remains, and the importance of familial reference samples.
September 2022
FTCOE

A Review Of Legislation Associated With Lawfully Owed DNA Samples

This report provides a legislative review of statutes associated with the collection, tracking, and testing of DNA samples from convicted offenders, with areas for consideration in how to address questions or conflicts surrounding DNA collection laws.
September 2022
FTCOE

Just Solving Cold Cases With Forensic Genetic Genealogy

In episode four of the FTCOE’s Case Studies: Part 1 mini season, the presenter discusses how genetic genealogy was used as an investigative tool to help solve a series of violent cold cases almost forty years later.

This episode contains content that is sensitive in nature and may be potentially triggering to some audiences. Viewer discretion is advised.

August 2022
District Attorney’s Office, Denver, CO

People’s Response to Defense Motion to Dismiss for Pre-Indictment Delay (Colorado v. Cumberbatch)

Charges for a 1994 homicide brought in 2020 only when advances in forensic capabilities led to a DNA ‘hit’ of the defendant in the Combined DNA Index System in 2018. The following claims were made by the defense: 1) statute of limitations (found to be not applicable to first-degree murder charge), 2) state’s failure to preserve evidence (addressed and rejected), 3) unavailability of witnesses and “other suspects” due to lapse of time (addressed and rejected), and 4) constitutional due process violation (rejected due to no constitutional right to a “speedy arrest”).
August 2022
District Attorney’s Office, Denver, CO

People’s Motion in Limine (Colorado v. Cumberbatch)

Prosecution’s motion in limine in a 1994 Colorado murder-sexual offense case. The prosecution sought to admit several “sanitized” police contacts with the defendant in Denver in 1994. This motion in limine was an attempt to limit prejudicial elements of the police contacts.
July 2022
FTCOE

Just The Components Of Forensic Biology And DNA

In episode five of the FTCOE’s Strengthening the Forensic Workforce season, the presenters discuss forensic biology and DNA as it relates to evolving techniques, the importance of training, and the value of student research within the laboratory.
June 2022

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