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Cyber Crimes Center 101

Experience

Senior Special Agent Timothy Losito U.S. Department of Homeland Security (DHS), Homeland Security Investigations (HSI).
National Program Manager Mobile Forensics Mobile Forensics Cyber Crimes Center (C3).

Agent Losito has 21 years of law enforcement experience. This experience includes conducting technical investigations, child exploitation investigations, narcotics investigations both domestic and abroad.

Agent Losito currently serves as a National Program Manager over Mobile Forensics and operates the Computer Forensics Laboratory located in the HSI Cyber Crimes Center (C3) Fairfax, VA. SSA Losito co-Authored the Computer Forensics Handbook, which includes all supporting documentation and HSI approved forms and serves as the official policy for forensics. He has supervised and served as the lead instructor to the CFU Basic and Advanced Mobile Forensics courses both domestic and overseas.

Prior to Agent Losito’s law enforcement career, he served in the United States Air force in the intelligence community.
Agent Losito maintains active involvement in several community service organizations, schools and faith-based organizations as a Community Outreach Coordinator for HSI.

The Jayme Closs Abduction

Experience

Detective Jeffrey Nelson is an experienced law enforcement Detective with the Barron County Sheriff’s Department in northwest Wisconsin. Detective Nelson has over 24 years of law enforcement experience and has served as a major crimes Detective for the last 17 years. He has been involved in multiple death and homicide investigations in his career and has also worked on drug task forces and general investigations. Detective Nelson also has attended the National Fire Academy and has investigated multiple arson fires as an arson investigator.
Detective Nelson currently serves as the Tactical Team Commander for the Barron/Rusk County regional Emergency Response Team (ERT) and has been a member of the tactical team for over 21 years.

Detective Nelson holds a Bachelors of Science degree from the University of Wisconsin- River Falls in the field of Criminal Justice and Sociology. He also has advanced training from the Wisconsin – Department of Justice and FBI in the areas of advanced interviews and interrogations as well as major crime scene investigations. Detective Nelson was also a recent recipient of the 2019 Meritorious Service Award from the Wisconsin Association of Homicide Investigators Association.

Detective Nelson also serves as a Director for the Wisconsin Law Enforcement Officers Association (WLEOA) and is the President of the Barron Area School district –Board of Education and serves on multiple other community associations.

The Jayme Closs Abduction

Experience

Special Agent Joe Welsch has been employed in law enforcement for over 29 years. For 16 years, S/A Welsch was employed by the Sauk County Sheriff’s Office, Wisconsin where he worked in the patrol and detective divisions. For the last 4 years working at the Sauk County Sheriff’s Office, S/A Welsch was promoted to supervisor of criminal investigations. S/A Welsch has been employed as a Special Agent with the Wisconsin Department of Justice- Division of Criminal Investigation (DCI) for the past 13 years. S/A Welsch is currently assigned to the Major Crimes Bureau, where his primary responsibility involve investigating homicides, child abductions and officer-involved deaths. He has been assigned as lead investigator in several high profile homicides and death investigations.

The Mollie Tibbetts Investigation: the 33 day multi-agency search for the U of Iowa student that gripped the nation

Experience

Richard Rahn has been employed within law enforcement for over 32 years. For seven years, he worked for the Burlington Iowa Police Department as a Patrolman and Detective. Aspiring to work high-level felonious crimes, he accepted a position with the Iowa Division of Criminal Investigation, an investigative branch for the Iowa Department of Public Safety. During his twenty five plus years as a Special Agent with the Major Crime Unit, he worked well over 150 death investigations, to include Case Agent of two mass murder investigations, several high profile homicides and countless suspicious death investigations. S.A.C. Rahn has been married for thirty-two years and has two sons.

The Mollie Tibbetts Investigation: the 33 day multi-agency search for the U of Iowa student that gripped the nation

Experience

Trent began his law enforcement career as a police officer for the Milwaukee, WI. Police Department where he severed as a patrol officer from 1996-2002. In 2002, Trent worked for the Coralville, Iowa Police Department as a patrol officer until 2006. In 2006, Trent joined the Iowa Division of Criminal Investigation and in 2007 was assigned to the Major Crimes Unit. Trent has presented to different organizations on cold case investigations and is an instructor on sexual assault investigations. Additionally, Trent served in the United States Army Reserve.

Genetic Genealogy and the Evolution of SNP Genotyping for Forensic Investigations

Experience

CeCe Moore, Chief Genetic Genealogist at Parabon NanoLabs, is an internationally recognized DNA investigative expert, educator and pioneer in the field of genetic genealogy. Starting in 2010, she began developing the now widely used genetic genealogy techniques that have become foundational and central aspects of the field. In 2013, she founded the DNA Detectives, one of the leading genetic genealogy educational resources with an online community of over 115,000 members, and was a key part of the team that created the foundational genetic genealogy coursework now taught by the premier genealogical institutes throughout the US. Since 2013, Ms. Moore has served as the genetic genealogy expert, trusted with analyzing the DNA of hundreds of high profile guests and their families for the PBS documentary television series Finding Your Roots with Henry Louis Gates, Jr. She is a highly sought-after genetic genealogy resource by major media outlets, including working as an ABC News Correspondent. Over the last year, CeCe has led Parabon’s Genetic Genealogy Division to 55 successful identifications in law enforcement investigations across the country.

Analysis of Cryptic Communications, Records, and Symbols

Experience

Scott Hull is a Supervisory Cryptanalyst Forensic Examiner in the Federal Bureau of Investigation Laboratory Division’s Cryptanalysis & Racketeering Records Unit in Quantico, Virginia. From 1988 to 1992 Scott served as an Army Field Artillery Officer, serving in Germany and The Netherlands. After leaving active duty, Scott worked as a Computer Specialist for the US Government in The Netherlands, Italy and in the United States before transferring to the FBI in 2007 as a Cryptanalyst Forensic Examiner. Since that time he has been involved in the analysis of codes and ciphers involving domestic and international terrorists, violent criminals, and street and prison gangs. He has been recognized as a cryptanalysis expert in court on multiple occasions in the United States, and in Europe. Scott holds a B.S. in Mathematical Science from Virginia Commonwealth University and a M.S. in Business Administration from Boston University.

The National Institute of Justice’s Cold Case Working Group and Best Practices Guide

Experience

Chuck received his Bachelor of Science in Biology from Slippery Rock University of Pennsylvania and his Masters of Forensic Science from the George Washington University. He began his career in forensics by spending 3 years as a crime scene technician in Baltimore City where he processed over 2000 crime scenes. He then spent almost 12 years with the Montgomery County (MD) Crime Lab as a Forensic Scientist in the Forensic Biology Unit performing DNA analysis and a Forensic Specialist 2 in the Forensic Services Section processing crime scenes, chemically enhancing latent fingerprints, and enhancing digital images. He is currently a Senior Physical Scientist with the National Institute of Justice where he manages the DNA Capacity Enhancement and Backlog Reduction, DNA Efficiency Improvement and Capacity Enhancement, Solving Cold Cases with DNA, Sexual Assault Forensic Evidence – Inventory, Tracking, and Reporting (SAFE-ITR), Using DNA Technology to Identify the Missing programs, and the National Missing and Unidentified Persons System (NamUs) program for which he was awarded the 2011 Samuel Hayman Service to America Medal in Justice and Law Enforcement. He is also very active in the DNA, cold case, and missing persons communities.

Digital Aspects in Homicide Investigation

Experience

Patrick Eller is the CEO of Metadata Forensics LLC and a 20 year law enforcement veteran with a masters degree in digital forensics and cyber investigations. Patrick is a subject matter expert in the field of digital forensics and cyber investigations. Patrick has run a global digital forensics program for the US Army and currently teaches digital forensics at the undergraduate and graduate levels for multiple Institutions. Patrick has presented at multiple Homicide training conferences across the country and teaches at the National Forensic Academy.

Crime Scene Staging and the Jeffery MacDonald Case

Experience

Steve began his law enforcement career in 1973 when he enlisted in the US Army as a Military Policeman. He remained in the MPs until 1981 when he was accepted into the US Army CID program as a Special Agent. As a CID Special Agent, Steve worked felony crimes at various military posts across the US and overseas. He later commanded three different CID units and in 2001 retired as a Chief Warrant Officer Four as the Operations Officer for a CID Battalion where he was responsible for the supervision of five different CID units and covered an eleven-state area of responsibility. Once retired Steve was employed by the Mississippi State Crime Lab as a senior crime scene analyst and conducted the examination of violent crime scenes across the Mississippi. In 2004 Steve was transferred from the crime lab to the Mississippi Bureau of Investigation (MBI) as the first Director of the MBI Cold Case unit, responsible for assisting police agencies across the state working on unresolved homicides. While working at the Crime lab and MBI, Steve and Grant Graham developed several different training courses for the Mississippi State Police Academy covering topics that included basic and advanced crime scenes, death investigations, and adult sex crimes.  Steve was also involved in the development and as an instructor of the Certified Investigator Program at the MS State Police Academy.  Steve has a master’s degree and undergrad degrees in Criminal Justice, is a Graduate of the FBI National Academy (Session 185) and has been a college adjunct instructor for Austin Peay State University, Clarksville TN, University of Mississippi, Oxford, MS and Clayton State University, Morrow, Georgia. He is a fellow with the American Academy of Forensic Science, and a member of the International Association for Identification (IAI), the International Homicide Investigators Association (IHIA) the North Carolina Homicide Investigator’s Association, and Southeastern Homicide Investigators Association. Steve is also the co-author of the text, Staged Crime Scenes: Investigating Suspect Misdirection of the Crime Scene, the co-author of the text Death Investigations: The Second Edition, and the author of Investigating Sexual Assault Cases.
Steve also has developed and instructs courses on Staged Crime Scenes, Adult Sex Crimes, Death Investigation, Basic Detective’s Course, and Crime Scene Examination.