3D Crime Scene AnalysisEugene Liscio, P. Eng.

o AI2-3D, Established 2005, Documentation, Analysis and Visualization…

o Professional Engineers Ontario, October 1997

o President of International Association of Forensic & Security Metrology, (IAFSM, www.iafsm.org)

o Adjunct Professor, 3D Forensic Reconstruction Course at the University of Toronto, Mississauga, January 2013

o Research & Validation in “3D Forensics”

o Co-Developer of Clouds2Max plugin for 3ds Max

o FARO Certified Trainer, January 2014

o AI2-3D, Established 2005, Documentation, Analysis and Visualization…

o Professional Engineers Ontario, October 1997

o President of International Association of Forensic & Security Metrology, (IAFSM, www.iafsm.org)

o Adjunct Professor, 3D Forensic Reconstruction Course at the University of Toronto, Mississauga, January 2013

o Research & Validation in “3D Forensics”

o Co-Developer of Clouds2Max plugin for 3ds Max

o FARO Certified Trainer, January 2014

http://thecrashzone.com/wp-content/uploads/2012/05/total-station-pic.jpg

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PhotoModeler Scanner

3ds Max

Scene

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin

o Calculating Point of Origin of Blood Spatter Using Laser Scanning Technology, Nashad Hakim & Eugene Liscio, P. Eng.

o Journal of Forensic Sciences, March 2015

o 3 sets of 5 tests

o Distance/location moved further from wall for each set

(Single Surface) X = 6.99±7.77cmY = 0.03±1.14cmZ = 14.01±9.08cm

o The Accuracy of Laser Scanning Technology on the Determination of Bloodstain Origin, Rebecca Lee & Eugene Liscio, P. Eng.

o Completed, April 2014

o 3 sets of 10 tests

o Distance/location moved further from wall for each set

The Accuracy of Laser Scanning Technology on the Determination of Bloodstain Origin.

Rebecca Lee & Eugene Liscio, P. Eng.

Completed, April 2014

(Multiple Non-Orthogonal Surfaces) X = 3.8±3.1cm

Y = -3.3±3.5cmZ = 7.2±6.4cm

Inter-Observer Error (15 inexperienced Participants)Standard deviation for errors between x, y and z were 5.5 cm, 2.5 cm & 6.4 cm respectively

Impact

FARO Difference

Vector

HemospatDifference

Vector1 0.094 0.1442 0.087 0.0593 0.104 0.0154 0.059 0.004

Data Aligned in 3ds Max Data Aligned in CrimeZone

Night Scenes-HDR & iStar

Night Scenes-HDR & iStar

Night Scenes-HDR & iStar

Night Scenes-HDR & iStar

Thank You!

Eugene Liscioeliscio@ai2-3d.com

www.ai2-3d.com