Jim Holmes has been a certified law enforcement officer in Wisconsin since 1995. He has served with Dane County Sheriff's Department as a sheriff's aide and a patrol officer with the Fitchburg Police Department before obtaining a position as a special agent with the Wisconsin Department of Justice/Division of Criminal Investigation (DCI) in 1996. Jim was assigned to DCI's White Collar Crimes Bureau for four years, while also being assigned to DCI’s Internet Crimes Against Children (ICAC) Unit from 1998-2001. Jim joined DCI’s Major Crimes Unit in 2000 where he has been involved in numerous adult and child homicide and equivocal death investigations, officer involved death investigations, murder-for-hire cases, missing and abducted children cases, child sexual exploitation, and child abuse and neglect cases. In his assignment to DCI’s Major Crimes Unit, Jim has continuously been assigned and has worked several cold case homicide investigations.

Matt holds a Bachelor of Science in Criminal Justice from Carroll University (1998) and a Master of Science in Criminal Justice from the University of Wisconsin–Milwaukee (2001). He began his criminal justice career in 2001 as a Wisconsin Department of Corrections Probation Agent, where he specialized in Pre-Sentence Investigations and the supervision of high-risk offenders reentering the community. In 2004, Matt joined the Milwaukee Police Department as a Patrol Officer, focusing on community policing, gang enforcement, and undercover investigations involving sex crimes and human trafficking. Promoted to Detective in 2014, he served in the Homicide Unit, investigating homicides and officer-involved critical incidents while developing expertise in crime scene processing, interviewing, and interrogation. He also joined the Crisis Negotiation Unit that same year. As a Sergeant beginning in 2020, Matt supervised detectives in both the Gun Violence and Homicide Units and played a key role in training detectives across the Milwaukee Area Investigative Team (MAIT). Promoted to Lieutenant in 2026, he oversees investigative operations across multiple Criminal Investigation Bureau divisions and serves as Commander of the Crisis Negotiation Unit. A respected instructor and mentor, Matt teaches courses in death investigations, critical incident response, and interview techniques, and has served as an adjunct Criminal Justice instructor at Carroll University for over 15 years. He also consults nationally on critical incident response and routinely provides expert courtroom testimony.

Patrick Eller is nationally recognized digital forensics professional, educator, and former U.S. Army Criminal Investigation Command (CID) Special Agent with more than 25 years of investigative, law enforcement, and forensic experience. He currently serves as the CEO and Senior Digital Forensic Examiner for Metadata Forensics LLC, where he provides digital forensic examination, expert consulting, and litigation support in complex criminal and civil matters. Patrick joined the U.S. Army in 1999 and retired in 2009. During his Military career he served in increasingly senior investigative and forensic leadership positions, including Economic Crimes Team Chief, Assistant Special Agent in Charge, Special Agent in Charge, Assistant Operations Officer, Senior Digital Forensic Examiner, and Command Digital Forensic Examiner at CID Headquarters in Quantico, Virginia. While assigned to Headquarters, he helped oversee a digital forensic program encompassing more than 80 forensic examiners. He also served in Afghanistan, where he was responsible for the Army's only deployed digital forensics lab supporting criminal investigations at the time. In addition to his casework, Patrick has extensive experience educating forensic examiners, investigators, attorneys, military personnel, and university students. He has taught undergraduate and graduate courses in digital forensics and cybersecurity as an adjunct professor at Champlain College and previously at the University of Maryland University College. He has also provided specialized digital evidence and forensic instruction for U.S. Army investigative courses, military defense counsel, the National Forensics Academy at the University of Tennessee, the International Homicide Investigators Association, and the U.S. Army Judge Advocate General's Legal Center and School.