Forensic and Investigative Sciences

This presentation discusses experimental tests of a model for drug uptake by human bone and explores how the results may be applied to detect nerve agent exposure from human remains recovered from mass graves during human rights investigations.

This webinar was presented by the NIJ Forensic Technology Center of Excellence on May 9, 2017.

Forensic science research and development plays a key role in the advancement of the practice of forensic science, as noted by the 2009 National Academies of Science report “Strengthening Forensic Sciences in the United States: A Path Forward."

This webinar was presented by the NIJ Forensic Technology Center of Excellence on April 4, 2019.

The elderly and those living with special needs are two of the most vulnerable populations in our society. As such, additional care and knowledge is necessary to investigate these cases. Jamie Downs, M.D., provided detailed case studies, best practices for investigating these cases, and other noteworthy topics in this presentation.

Identifying victims of human trafficking has a unique set of obstacles, often compounded by language barriers or the victim’s unwillingness to work with law enforcement. Uncovering even the most basic information about victims, both alive and dead, can be a challenge. John P. Kenney, D.D.S., discussed a method for using teeth to determine the ages of unknown victims in this presentation.

Over the twenty years following the tragic abuse of her child, Bonnie Armstrong has worked tirelessly to pursue justice, support victim’s families, and prevent child abuse in its many forms. Through case consultation, legislative lobbying, and the development of forensic training programs, Armstrong and The Shaken Baby Alliance seek to end child abuse. In her introduction, Armstrong shared the story of her child’s abuse at the hands of the baby’s father and the impact that The Shaken Baby Alliance makes in the fight against abuse.

Former Major League Baseball player Mel Hall is known for many things, but his athletic career is shadowed by a severe crime: preying on underage girls. In 2009, Hall was convicted of three counts of sexual assault of a child and two counts of indecency with a child. In this presentation, survivor Chaz discussed her personal story and the methods Hall used to manipulate her family into trusting him.

The elderly and those living with special needs are two of the most vulnerable populations in our society. As such, additional care and knowledge is necessary to investigate these cases. Jamie Downs, M.D., provided detailed case studies, best practices for investigating these cases, and other noteworthy topics in this presentation.

In the final presentation of the day, Bonnie Armstrong and Jamie Downs, M.D., speak with investigators about case consultation and evidence collection techniques. Topics include: photography, search warrants, multidisciplinary teams, and the information that can be gained from an autopsy.

Munchausen Syndrome by proxy is  rare but debilitating for both the parent and the victim. Due to its rarity, investigating and proving the existence of Munchausen Syndrome by proxy is exceptionally difficult. In this presentation, Mike Weber of the Tarrant County, TX, District Attorney’s Office explained how he collected evidence for the case of Hope Ybarra.

These presentations highlight specific case studies from a pathologist’s perspective. Jamie Downs, M.D., discussed several topics, including best practices for identifying child abuse and the difference between manner of death and cause of death.