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Forensic Science as First Forensic Science as First Year SeminarYear Seminar
CWCS Session 37 July 29, CWCS Session 37 July 29, 20082008
Victoria Collins, Warren Wilson Victoria Collins, Warren Wilson CollegeCollege
Benefits of CWCS WorkshopBenefits of CWCS Workshop
Skills, techniques and confidence to Skills, techniques and confidence to try thingstry things
Great resources and bibliographyGreat resources and bibliography See my website for experiments, See my website for experiments,
tips, sources and supplierstips, sources and suppliers www.warren-wilson.edu/~vcollins/www.warren-wilson.edu/~vcollins/
forensic_fysforensic_fys
Goals For New StudentsGoals For New Students
Engage students – retention to Engage students – retention to graduationgraduation Popular topic – Popular topic – J. Chem. EducJ. Chem. Educ. June 2008. June 2008
Group identity - peer groupGroup identity - peer group Critical thinking skillsCritical thinking skills Writing and library useWriting and library use
Research paper on historical crimesResearch paper on historical crimes Excite students about chemistryExcite students about chemistry
Reading and WritingReading and Writing
Saferstein: Saferstein: CriminalisticsCriminalistics Crime Case studiesCrime Case studies
Audri Kowalyk’s seriesAudri Kowalyk’s series Other print and on line sourcesOther print and on line sources
Laboratory reports show need for Laboratory reports show need for documentationdocumentation
Trace evidence and Trace evidence and chemistrychemistry
Chemistry of glass and fibersChemistry of glass and fibers Hair microscopyHair microscopy Refractive indexRefractive index Glass fragments show source and Glass fragments show source and
fracturefracture
www.tate.org.uk/research/tateresearch/tatepapers/05spring/freemantle.htm
www.fbi.gov
Blood Spatters and Bite Blood Spatters and Bite MarksMarks
Reconstruction by geometryReconstruction by geometry Distance from surfaceDistance from surface Trigonometry gives anglesTrigonometry gives angles
Get animal blood from veterinary labsGet animal blood from veterinary labs Look at dental records – learn anatomyLook at dental records – learn anatomy Bite marks on Bite marks on
styrofoam platesstyrofoam plates
www.deviantcrimes.com
www.nlm.nih.gov/visibleproofs/media
Forensic AnthropologyForensic Anthropology Cool anatomy lessonsCool anatomy lessons Find bones from biology, anthropology Find bones from biology, anthropology
departments and Bone Clonesdepartments and Bone Clones Relate to social sciencesRelate to social sciences
and historyand history Radiocarbon dating Radiocarbon dating
activity for Gen chemactivity for Gen chem
www.boneclones.com/BC-199.htm
Drug Analysis: Surprisingly Drug Analysis: Surprisingly easy chemistryeasy chemistry
Field test kits inexpensive Field test kits inexpensive False positives with lab chemicalsFalse positives with lab chemicals
Confirmatory tests using GC/MSConfirmatory tests using GC/MS Cocaine on money: see U. Buffalo’s Center Cocaine on money: see U. Buffalo’s Center
for Case Studies in Sciencefor Case Studies in Science 1 mg standards available without license1 mg standards available without license Spike fake urine or bloodSpike fake urine or blood
Arson using GCArson using GC
Make fire debrisMake fire debris Headspace SPMEHeadspace SPME GC- FIDGC- FID Adaptable for HSAdaptable for HS See case studySee case study
DNA AnalysisDNA Analysis
Commercial kits cost about $150 for Commercial kits cost about $150 for classclass
Thermocycler, electrophoresis from Thermocycler, electrophoresis from Biology DepartmentBiology Department
Students can understand Students can understand
STR and probabilitiesSTR and probabilities Worth long classWorth long class
/www.teagasc.ie/research/reports
Crime SceneCrime Scene
Victim was possible drug dealerVictim was possible drug dealer Willing actors: girlfriend, jealous Willing actors: girlfriend, jealous
suitor, drug kingpinsuitor, drug kingpin Should solidify group Should solidify group
Students timid aboutStudents timid about
tracking down suspectstracking down suspects
http://www.threeskins.com/acatalog/cri0613_s.jpg
Success/ DisappointmentSuccess/ Disappointment
Popular topic – upper class demand Popular topic – upper class demand Writing successfulWriting successful Ideas for other chem coursesIdeas for other chem courses Student retention in college <60%Student retention in college <60%
30% of returning students chem majors30% of returning students chem majors Lack of teamwork on crime sceneLack of teamwork on crime scene
Looking Back and AheadLooking Back and Ahead
CWCS workshop extremely valuableCWCS workshop extremely valuable
Check my website: Check my website: www.warren-wilson.edu/~vcollins/forwww.warren-wilson.edu/~vcollins/forensic_fysensic_fys Lots more links, recipes and tips on Lots more links, recipes and tips on
guns, explosives, fingerprints…. guns, explosives, fingerprints….
AlcoholAlcohol
Intoxilyzer uses IR: explain in gen Intoxilyzer uses IR: explain in gen chemchem
Redox chemistry of dichromate Redox chemistry of dichromate oxidationoxidation
Toxicology for freshmenToxicology for freshmen
Special IssuesSpecial Issues
All freshmenAll freshmen Divergent interestsDivergent interests Advising new studentsAdvising new students Introduction to libraryIntroduction to library
Napoleon and As poisoning?Napoleon and As poisoning? Required research paper Required research paper
on historical crimeson historical crimes
www.ualberta.ca/~xcle/arsenic.html
FingerprintingFingerprinting
Easy activity for pre-college groupsEasy activity for pre-college groups Classification of printsClassification of prints Dusting powders, fluorescent and Dusting powders, fluorescent and
coloredcolored Techniques for latent printsTechniques for latent prints
NinhydrinNinhydrin Super glueSuper glue
Simple crime sceneSimple crime sceneblogs.kansascity.com/crime_scene/2006/03/22/index.html
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