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david.w.nabors@gmail.com

​​​Grayson College 13th Annual Forensic Conference  04/29/2016

Hierro Contract Murder  ( Featured on CBS  48 Hours)

Darlie Routier Capital Murder Case ( Featured CBS on 48 Hours)


North Texas Regional VIPS Conference 04/2015
Case Presentation
Capital Murder Investigation

Weatherford College Forensic Conference, Weatherford Texas 07/2014
Case presentation: Ambush Murder

University of North Texas Dallas Campus 10/2013
Criminal Justice Class Lecture
Capital  Murder case presentation

Grayson College Sherman, TX 11/2011
Introduction to Blood Stain Pattern Recognition 

Homicide Investigations
Community College Criminal Justice Educators of Texas Annual Conference
Denison, Texas 05/2010

Homicide Investigations
Improtance of Proper Evidence Collection, Processing and Analysis
Southern Police Institute
Univ. of Louisville, Louisville, KY 01/2010

Grayson College Sherman, TX 11/2009
Introduction to Blood Stain Pattern Recognition
 
North Texas Crime Prevention Association Coppell, Texas 10/2009
Importance of Proper Evidence Collection: Case Presentation

Mesquite Citizens Police Academy, 07/2009 
Capital Murder Case Presentation

Rowlett Fire and Rescue/ Rowlett Police Dept , TX 07/2009
Forensic Digital Photography for Crime Scene Investigators 

Internal Affairs, Liability Law for Supervisors, Dealing with Difficult People 
Rowlett Police Department, Texas 04/2009

Intermediate Crime Scene
North Texas COG Police Academy, Arlington, Texas 03/2009 
Importance of Proper Evidence Collection: Case Presentation

Grayson College Sherman, TX 10/2008
Introduction to Blood Stain Pattern Recognition 

Intermediate Crime Scene
North Texas COG Police Academy, Arlington, Texas 09/2008 
Importance of Proper Evidence Collection: Case Presentation

Intermediate Crime Scene
North Texas COG Police Academy, Arlington, Texas 04/2008 
Importance of Proper Evidence Collection: Case Presentation

Lecture Forensics 2450
Weatherford College, Weatherford, Texas 03/2008
Importance of Proper Evidence Collection: Case Presentation

Current Trends in Forensic Science Annual Conference
Tarrant County Medical Examiners Office
Weatherford College, Weatherford, Texas 12/2007
Importance of Proper Evidence Collection: Double Homicide Case Presentation

Grayson College Sherman, TX 11/2007
Introduction to Blood Stain Pattern Recognition 

Grayson College Sherman, TX 06/2007
Forensic Digital Photography for Crime Scene Investigators 


​Forensic Labratories Inc./American Crime School
Forensic Conference
Weatherford College, Weatherford, Texas 05/2007
Importance of Proper Evidence Collection: Case Presentation

Intermediate Crime Scene
North Texas COG Police Academy, Arlington, Texas 04/2007
Importance of Proper Evidence Collection: Case Presentation

Navarro College, Corsicana, Texas 11/2006 
Annual Forensic Conference
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Grayson County College, Sherman, TX 11/2006 
Criminal Justice Symposium
 “Hierro Ambush Killing” 


​Grayson College Sherman, TX 10/2006
Introduction to Blood Stain Pattern Recognition 

Ft. Worth Police Department Citizens Police Academy 09/2006 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Garland Police Department Citizens Police Academy 09/2006 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Texas Citizens Police Academy Alumni Annual State Convention 7/2006 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Rockwall Police Department 3/2006 
Advanced Crime Scene Investigation 

Grayson College Sherman, Texas 11/2005
Introduction to Blood Stain Pattern Recognition 

American Association of Criminal Justice Professionals 
Region 2 Annual Conference 10/2005 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Rowlett Police Department 10/2005
Crime Scene Photography 

Weatherford College, Weatherford TX 1st Annual Forensic Conference 5/2005 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Grayson County College, Sherman, TX 
Second Annual Forensic Conference 3/2005
“Hierro Ambush Killing” 

Grayson County College, Sherman, TX 
Criminal Justice Class 11/2004 
“Crime Scene 1st Responder” 

Grayson County College, Sherman, TX 
Criminal Justice Class 9/2004 
“Homicide Investigations” 

Zambian National Police Service Lusaka, Zambia 
Criminal Justice 5/2004
“Ethics and Leadership in Policing” 

Zambian National Police Service Siavonga, Zambia 
Criminal Justice 5/2004 
“Ethics and Leadership in Policing” 

Grayson County College, Sherman, TX 
1st Annual Forensic Conference 4/2004 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

Desoto Police Department, Desoto, TX 
In-service Training 7/2003 
“Violent Crime Scene Investigations” 

Carrollton Police Department, Carrollton. TX 
In-service Training 5/2003 
“Recovery of Latent Prints” 

Galaxy Counseling Center, Garland, TX 
Family Violence Conference 1/2003
“Filicide: A Case Study of the Darlie Routier Murders” 

Carrollton Police Department, Carrollton, TX 
In-service Training 1/2002 
“Intermediate Crime Scene Investigation” 

Rowlett Police Department, Rowlett, TX 
In-service Training 2000-Present
“Crime Scene Search for New Recruits” 

Desoto Police Department, Desoto, TX 
In-service Training 8/2000 
“Trace Evidence for Patrol and Criminal Investigators” 

Rowlett Police Department, Rowlett, TX 
In-service Training 12/1999 
“Police Related Shooting with a Fatality” 

Dallas Office of Child Protective Services, Rowlett, TX 
In-service Training 8/1998 
“Filicide: A Case Study of the Darlie Routier Murders” 

Methodist Hospital Dallas, TX 
EMS Paramedic In-service Training 1997-1998 
"1st Responder for Emergency Medical Personnel” 

Texas Division of the International Association for Identification, Austin, TX 
In-service Training 6/1997 
“A Forensic Examination of the Darlie Routier Double Capital Murder Case” 

North Texas Arson Investigators Association
In-service Training 3/1997 
“Crime Scene Techniques” Citizens Police Academy, Rowlett, TX 

In-service Training 1997-Present “Crime Scene Investigations, Internal Affairs, Criminal Investigations

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