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CACTrace back to shooter's locationforensic mappingCamera Lense DistortionRay Tensing402 Hearingnighttime visibility study7 Days on Witness StandTiming and Location of EvidenceNighttime Accident ReconstructionMistrialOfficer Involved ShootinganimationISO 170209.75 millionExplosionSam DuboseExpert's PreparationPhysical EvidenceVisible GeometryError AnalysisGunshot Wound Modelinghot topicbody camera for deputies and officersCDAA Winter ConferenceVehicle Crush AnalysisMedical AnimationCCSFCone of UncertaintyPhotogrammetry3D Laser ScanningSpecific Calculations2014 Annual ConferenceExpert WitnessPower Line Wire StrikeMeasurementsCalifornia Association of Crime Lab DirectorsShooter's Location3d VisualizationAnimation over VideoOld Way vs Best WayCDAAVideo Capture Frame RateConstruction WorkerNews VanSurgicalLitigationdepositionIllustrate Driver's Eye ViewNieto VerdictMichael BrownCalifornia Association of CriminalistsDr Judy MelinekLaser ScanReconstructioncrash scene mappinginfant death settlement3D crime scene mapping3Exemplar Life Sized Intersectionby eyeSingle Vehicle AccidentFieldworkAccidental ShootingOperator LiabilityDetermine Driver's Eye ViewEye WitnessReporter InjuredBallistics AnalysisBody CameraComplex Accident Scene ReconstructionPersonal InjuryWorld Forensic FestivalVideo Alignment3D Working ModelBallistic Study3D Gunshot Wound Path ModelForensic Science InternationalFerguson MOprofessionalfilmShadowscientific evidenceThe Working ModelCrosswalkBallistic Trajectory AnalysisLaser Assisted PhotogrammetryEyeMedicalVisibility StudiesPeer-ReviewedDefenseGuilty VerdictTImeline from AudioNieto911 Call AudioVideo AnalysisCNNWire StrikeExcellent PresentationsAR15California Association of Accident Reconstruction SpecialistsDemonstrative ExhibitsNew Forensic TechnologySide BarsFEWA SecretarySight ObstructionsShootingCriminalistCalifornia District Attorneys Associationreconstruction analysisforensic consultantRadiologicalMuni Bus On-Board Camera SystemEmergency Deployment RecordersOhio vs TensingAssault RifleSurgical AnimationNational NewsExpert's Analysisseachaonorthern california chapter.2237.6 Mile Pursuit3D Animation over Nighttime VideoMonte Carlo MethodCACLDDriver's Eye View ObstructionDavid vs. Goliath CaseSan Francisco Intersection$84,000,000 VerdictsNighttime VideocollaborativeTrajectory RodsRadio Traffic AudioWitness Testimonyaccident reconstructionDownstream Benefits of 3D Laser ScanningIncident and Exemplar VehiclesconsultantLitigation DeclarationsFEWACrush AnalysisBus vs. Pedestrian.45 Caliber3D Animation and Video CompositingCraig FriesforensicProfessional AssociationSeoul KoreaDriver's Eye VideoLaser ScanningOISWitness StandCrosswalk in Shadowevidence documentationComplete Analysislargest infant death settlement in californiaCapital CrimeConstruction AccidentCalTransCross ExaminationVehicle 3D Laser ScanDetermine Degree of Error3D AnimationAnalysis911 CallCA2RSRadio TrafficGPS AnalysisTrace Back AnalysisTestimonysacramento settlementForensic Expert Witness AssociationCamera Lense Field of Viewforensic expert1000 HoursTrajectorySouth Lake TahoeForensic AnimationPlaintiffPhotometryVariancesAutopsy ReportMarco Topete MurderObjectionsExhibits FoundationFirst Degree MurderShadow Analysis


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Completed! PSI's Ballistic Trajectory Study and Analysis

After much ado and late hours in the lab crunching numbers, PSI has completed its Ballistic Trajectory Study and Analysis. Conceived to test a working theory I first used in a capital punishment case in 2010, this study aimed to determine just how accura…
After much ado and late hours in the lab crunching numbers, PSI has completed its Ballistic Trajectory Study and Analysis. Conceived to test a working theory I first used in a…

Faster Than a Speeding Bullet! How Fast is That?

PSI has completed the fieldwork portion of the Ballistic Trajectory study I posted on earlier. We performed the study at the Sacramento County Gun Range in Sloughhouse, CA. The total time in the field was approximately 8 hours. Two weapon calibers were te…
PSI has completed the fieldwork portion of the Ballistic Trajectory study I posted on earlier. We performed the study at the Sacramento County Gun Range in Sloughhouse, CA.…