PROFESSIONAL EXPERIENCE

Forensic Toxicology Solutions, LLCNashville, Tennessee

Independent Contractor
September 2017 to Present

 

Aegis Sciences Corporation | Nashville, Tennessee

Senior Scientist                                                                                                                                    
Aegis CRIMES™ Technical Director

2010-2017

 

Alere Toxicology Services, Inc. | Richmond, Virginia
(formerly Kroll Laboratory Specialists, Inc.)

Laboratory Director and Responsible Person
2010

Alternate Responsible Person
2005-2010

 

Scientific Testing Laboratory | Richmond, Virginia

Director of Quality Assurance and Research
2000-2005

Alternate Responsible Person
2001-2005

 

Tennessee Toxicology, Inc. | Rockford, Tennessee
(Formerly Research and Diagnostic Laboratories)

Laboratory Director
1998 – 2000

 

Medical College of Virginia Hospitals | Richmond, Virginia

Toxicologist & Laboratory Manager, Toxicology/Pathology Department
1997 – 1998

 

National Psychopharmacology Laboratory, Inc. | Knoxville, Tennessee

Laboratory Director
1983 – 1996

Co-Responsible Person
1991 – 1996

In addition to Laboratory Director (1995 – 1996), held the Associate Director position (1983 – 1995).

 

Division of Forensic Pathology, School of Medicine, University of Maryland | Baltimore, Maryland

Clinical Assistant Professor of Pathology
1979 – 1983

 

State of Maryland, Office of the Chief Medical Examiner | Baltimore, Maryland

Assistant Toxicologist
1977 – 1983

 

Department of Chemistry, University of Maryland Baltimore County | Catonsville, Maryland

Research Associate
1977

 

Department of Medicinal Chemistry, School of Pharmacy, University of Maryland | Baltimore, Maryland

Dunning Fellow
1974 – 1976
 

EDUCATION

University of Maryland at Baltimore | Baltimore, Maryland

Ph.D. in Medicinal Chemistry
1976

University of Maryland at Baltimore | Baltimore, Maryland

Bachelor of Science in Pharmacy
1969

 

CERTIFICATIONS/LICENSURES

Fellow, American Board of Forensic Toxicology
Diplomate, American Board of Clinical Chemistry in Toxicological Chemistry
Laboratory Director License, New York, Tennessee
Registered Pharmacist, Maryland

 

COURTROOM EXPERIENCE

U.S. District Court | Alexandria, Virginia

Various state courts in:
Tennessee
Virginia
Pennsylvania
Maryland
Florida

 

PROFESSIONAL AFFILIATIONS

American Academy of Forensic Sciences
Society of Forensic Toxicologists
Maryland Pharmacists Association

 

TRAINING

Aegis Sciences Corporation CRIMES Division Examiner Training
Agilent Technologies, Techniques of Ion Trap 240 Series GC/MS
West Virginia University, Introduction to Forensic Drug Chemistry
Postmortem Interpretive Toxicology, Center. For Forensic Science Research and Education
Alcohol and Drugs of Abuse Affecting the CNS, Society of Forensic Toxicologists

 

PUBLICATIONS

Papers:

1. C. Richard Crooks and Sue Brown, “Roche DAT Immunoassay: Sensitivity and Specificity Testing for Amphetamines, Cocaine, and Opiates in Oral Fluid,” Journal of Analytical Toxicology, Vol. 34, pgs 103-109, 2010.

2. C.R. Crooks, L.E. Edinboro, J.S. Lee and A. Poklis, “Evaluation of a Colloldal Metal Immunoassay Device for the Detection of Tricyclic Antidepressants in Urine,” Clinical Toxicology, Vol. 35, pg 77, 1997.

3. C.S. Brown, C.R. Crooks, S.A. Jortani and A. Poklis, “Response of the Emit II Amphetamine/methamphetamine Assay to Specimens Collected Following Use of Vicks Inhaler,” Journal of Analytical Toxicology, Vol. 17, pgs 284-286, 1992.

4. C.R. Crooks, A. Poklis, J.J. Saady and D. Soghoian, “Evaluation of the Abbott ADx Total Serum Tricyclic Immunoassay,” Clinical Toxicology, Vol. 28, pg 235, 1990.

5. Y.H. Caplan, C.R. Crooks and W.E. Ottinger, “Therapeutic and Toxic Drug Concentrations in Post Mortem Blood: A Six-year Study in the State of Maryland,” Journal of Analytical Toxicology, Vol. 7, pg 225, 1983.

6. Y.H. Caplan, C.R. Crooks and R.L. Taylor, “The Determination of Amoxapine in Human Fatal Overdoses,” Journal of Analytical Toxicology, Vol. 6, pg 309, 1982.

7. Y.H. Caplan, C.R. Crooks, J.H. Hebb and W.J. Mergner, “Blood and tissue Concentrations of Tricyclic Antidepressant Drugs in Post Mortem Fluids and Tissues,” Journal of Analytical Toxicology, Vol. 6, pg 209, 1982.

8. Y.H. Caplan, C.R. Crooks, J.H. Hebb and W.J. Mergner, “A Method for the Determination of Therapeutic and Toxic Concentrations of Tricyclic Antidepressant Drugs in Post Mortem Fluids and Tissues,” Journal of Analytical Toxicology, Vol. 6, pg 206, 1982.

9. P.S. Callery, C.R. Crooks, J.E. Moreton and J. Wright, “Synthesis and preliminary Biological Studies of 4- and 5[2-Hydroxy-3- (isopropylamino)propoxy]benzimidazoles: Selective Beta-2 Adrenergic Blocking Agents,” Journal of Medicinal Chemistry, Vol. 22, pg 210, 1979.

 

Abstracts:

1. C. Richard Crooks, David M. Schwope, Jana James, "Trazodone and m-CPP Concentrations in Postmortem Blood," Proceedings, American Academy of Forensic Sciences Annual Meeting, Orlando, Florida, February, 2015.

2. Aimee M. Halphen, C. Richard Crooks, Michelle R. Peace, and Alphonse Poklis, "A Method for the Determination of Amphetamines and Methylenedioxyamphetamines in Oral Fluid by Gas Chromatography/Mass Spectrometry," Proceedings, American Academy of Forensic Sciences Annual Meeting, Washington, DC, February, 2008

3. C.R. Crooks, B.C. Ward and J. Xiang, “Novel, Synthetic Oral Fluid Collection Media with High Release Characteristics for the THC, other Drugs-of-Abuse, Hormones, and Infectious Disease Analytes,” 2007 OEM Lecture Series, Industry Division, American Association of Clinical Chemists Annual Meeting, San Diego, California, July 2007.

4. J. J. Borowski, C.R. Crooks, C.I. Lin, A. Poklis and L.D. Tarnai, “Comparison of the Intercept® and Salivette® Oral Fluid Specimen Collection Devices for the Detection of Marijuana Use,” Program, American Academy of Forensic Sciences Annual Meeting, 2006.

5. C.R. Crooks, A. Poklis and C.E. Wolf, “Rapid Gas Chromatographic Procedure for the Determination of Topiramate in Serum,” Program, Society of Forensic Toxicologists Annual Meeting, Salt Lake City, Utah, October 1997.

6. C.R. Crooks, P.J. Orsulak, B.A. Ronald and P. Wittman, “Determination of Clomipramine and Desmethylclomipramine Using the Bio-Rad Laboratories Procedure for Quantitative Analysis of Tricyclic Antidepressants,” Program, American Academy of Forensic Sciences Annual Meeting, pg 45, 1993.

7. C.S. Brown, C.R. Crooks, S.A. Jortani and A. Poklis, “Response of the Emit II Amphetamine/methamphetamine Assay to Specimens Collected Following Use of Vicks Inhaler,” Abstracts, Society of Forensic Toxicologists Annual Meeting, Cromwell, Connecticut, October 1992.

8. C.R. Crooks, “The Analysis of the Newer Psychotherapeutic Drugs,” American Academy of Forensic Sciences Annual Meeting, pg 41, 1989.

9. Y.H. Caplan, C.R. Crooks and J. Park, “Comparison of XAD-2 Resin and Tox Elut Columns in Urine Drug Abuse Testing by TLC,” Clinical Chemistry, Vol. 29, pg 119, 1983.

10. P.S. Callery, C.R. Crooks, J.E. Morton and J. Wright, “Beta-adrenergic Blockade by Two New Benzimidazole Analogs of Propranolol,” Pharmacologist, Vol. 19, pg 244, abstract 259, 1977.

11. P.S. Callery, C.R. Crooks and J. Wright, “The Synthesis of 5(6) and 4(7)-3- (Isopropylamino-2-Hydroxypropoxy) Benzimadazoles (5-BIP and 4-BIP): Two Novel Beta-adrenergic Blocking Agents,” Abstracts, Eleventh Middle Atlantic Regional Meeting of the American Chemical Society, Newark, Delaware, April 1977.


Dr. C. Richard Crooks has faithfully served clients for more than 30 years. Contact him to learn how you can benefit from his forensic toxicology expertise.