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California Association of Criminalists3D Animation and Video CompositingRadiologicalCNNCCSFSpecific CalculationsDavid vs. Goliath CaseAnalysisNew Forensic TechnologyBallistics AnalysisBallistic Trajectory Analysis1000 HoursOperator LiabilityVehicle Crush AnalysisComplex Accident Scene ReconstructionNews VanWitness TestimonyNieto Verdictsacramento settlement402 HearingDetermine Driver's Eye ViewBallistic StudyCrosswalk in ShadowfilmIllustrate Driver's Eye ViewExcellent PresentationsCapital CrimePersonal InjurySurgical AnimationDefenseVisible Geometry911 Call AudioNational NewsWorld Forensic Festivalinfant death settlementnighttime visibility studyAssault RifleComplete Analysisconsultant3D crime scene mappingVehicle 3D Laser ScanGPS AnalysisSurgicalLaser Assisted Photogrammetry.223California Association of Accident Reconstruction SpecialistsTImeline from AudioCamera Lense DistortionTestimonyMedical AnimationDownstream Benefits of 3D Laser Scanning9.75 millionCACLDdepositionAnimation over VideoCross ExaminationForensic Expert Witness AssociationOfficer Involved ShootingMistrialError Analysis7 Days on Witness StandRadio Trafficforensic consultantOISSam DuboseSingle Vehicle AccidentPower Line Wire Strike3D AnimationShadow Analysisseachaonorthern california chapterCalifornia Association of Crime Lab DirectorsISO 17020Seoul KoreaCDAA Winter Conference3d VisualizationExplosionCamera Lense Field of View911 CallAutopsy ReportMedical$84,000,000 VerdictsPhotogrammetryShootingPlaintiffevidence documentationTrajectory RodsShadowTrajectoryforensic expertOld Way vs Best WayMuni Bus On-Board Camera SystemLitigation DeclarationsWire StrikeCalTransanimationNighttime Video3D Laser ScanningEmergency Deployment Recordersscientific evidenceProfessional AssociationMonte Carlo MethodPhotometryhot topiclargest infant death settlement in california3reconstruction analysisShooter's LocationCDAACA2RSDriver's Eye View ObstructionMarco Topete MurderSide BarsTrace back to shooter's locationcollaborativeSouth Lake TahoeDriver's Eye VideoNietoVideo Capture Frame RateRadio Traffic AudioLaser ScanningGunshot Wound ModelingLaser Scanbody camera for deputies and officersDemonstrative ExhibitsReconstructionThe Working ModelBus vs. Pedestrianforensic mappingExemplar Life Sized IntersectionDr Judy MelinekAccidental Shooting.45 CaliberEye Witness3D Gunshot Wound Path ModelExpert's PreparationOhio vs TensingCriminalistprofessionalFieldworkExpert's AnalysisSan Francisco IntersectionPhysical Evidence3D Animation over Nighttime VideoFEWA SecretaryVideo AlignmentBody CameraNighttime Accident ReconstructionMichael BrownGuilty VerdictForensic Science InternationalAR15EyeCone of Uncertainty7.6 Mile PursuitforensicLitigationaccident reconstructionConstruction AccidentVariancesMeasurements2014 Annual ConferenceRay TensingTrace Back AnalysisCalifornia District Attorneys AssociationVideo AnalysisForensic AnimationCraig FriesPeer-Reviewedcrash scene mappingFEWAFerguson MOCrush AnalysisDetermine Degree of ErrorIncident and Exemplar VehiclesFirst Degree MurderSight ObstructionsCrosswalkWitness StandCACReporter Injured3D Working ModelVisibility StudiesExpert WitnessTiming and Location of EvidenceConstruction Workerby eyeExhibits FoundationObjections


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PSI Instrumental in Successful $84,000,000 Verdicts

PSI was instrumental in two recently successful verdicts equaling $84,000,000. Carpio vs. Aubin for $28,000,000 and Anderson vs. CalTrans for $56,000,000. Both of these cases featured 3D Laser Scanning to recreate the scene and driver's eye video to recre…
Carpio vs. Aubin - $28,000,000 Verdict against Caltrans  The scenario for this case is a pedestrian was struck at night in a poorly lit crosswalk on a freeway onramp. Using our… http://precisionsim.com/blog/2017-blog-posts/psi-mar-2017-blog-posts/psi-instrumental-successful-84000000-verdicts/

A New Peer Reviewed Article for 2017

PSI's CEO Craig Fries, are co-authored a paper that has been accepted in the peer-reviewed Forensic Science International: Gunshot Wound Trajectory Analysis Using Forensic Animation to Establish Relative Positions of Shooter and Victim.
PSI's CEO Craig Fries, are co-authored a paper that has been accepted in the peer-reviewed Forensic Science International: Gunshot Wound Trajectory Analysis Using Forensic… http://precisionsim.com/blog/2017-blog-posts/jan-2017-blog-posts/new-peer-reviewed-article-2017/

PSI Publishes in a Peer-Reviewed Journal

PSI's CEO Craig Fries, and our Director of 3D Services Joel Panock, are co-authors of a paper that has been accepted in the peer-reviewed Journal of Academic Forensic Pathology. Additional authors on the paper are Dr Judy Melinek, Brodie Butler and Dr. Mi…
PSI's CEO Craig Fries, and our Director of 3D Services Joel Panock, are co-authors of a paper that has been accepted in the peer-reviewed Journal of Academic Forensic Pathology.… http://precisionsim.com/blog/2016-blog-posts/oct-2016-blog-posts/psi-publishes-peer-reviewed-journal/

Reconstruction of Shooting Using Audio for a Timeline

In this day and age, it seems that just about every event is captured by video either via surveillance cameras or cell phones. Once a video’s frame rate is established it is not difficult to create a timeline of events. However, in this case we don’t have…
In this day and age, it seems that just about every event is captured by video either via surveillance cameras or cell phones. Once a video’s frame rate is established it is not… http://precisionsim.com/blog/2016-blog-posts/jul-2016-blog-posts/reconstruction-shooting-using-audio-timeline/

Reconstruction of a Fatal Accidental Shooting

A 20-year-old man was ordered to stand trial for murder in connection with the December 8, 2014 shooting death of his mother at their home near Lake Berryessa in Napa County, California. Joseph Brooks Conkright, known as Brooks, told authorities that he a…
A 20-year-old man was ordered to stand trial for murder in connection with the December 8, 2014 shooting death of his mother at their home near Lake Berryessa in Napa County,… http://precisionsim.com/blog/2016-blog-posts/jun-2016-blog-posts/reconstruction-fatal-accidental-shooting/

Reconstruction of a Power Line Wire Strike Event

A television news van operator and a news reporter, (the plaintiff in this case) were late arrivals to cover a public service event put on by the local police department. Upon arrival, the news van carrying the reporter has limited options for parking nex…
A television news van operator and a news reporter, (the plaintiff in this case) were late arrivals to cover a public service event put on by the local police department. Upon… http://precisionsim.com/blog/2016-blog-posts/may-2016-blog-posts/reconstruction-powerline-wire-strike-event/

PSI Case Study: Construction Accident Reconstruction

Sometimes, the benefit of creating a virtual 3D Working Model lies in the ability to perform analyses within the computer that simply cannot be performed within the real world scene. Reconstruction of accidents that occurred during construction of a proje…
Sometimes, the benefit of creating a virtual 3D Working Model lies in the ability to perform analyses within the computer that simply cannot be performed within the real world… http://precisionsim.com/blog/2016-blog-posts/may-2016-blog-posts/psi-case-study-construction-accident-reconstruction/

Complex Reconstruction of a Single Vehicle Accident

3D Laser Scanning is PSI’s go-to tool for accurately documenting large and complex accident and crime scenes for many reasons. As illustrated in previous posts, often the primary benefit is the ability to preserve a complex scene and all of its physical e…
3D Laser Scanning is PSI’s go-to tool for accurately documenting large and complex accident and crime scenes for many reasons. As illustrated in previous posts, often the primary… http://precisionsim.com/blog/2016-blog-posts/apr-2016-blog-posts/complex-reconstruction-single-vehicle-accident/

New Case Study: Complex Officer Involved Shooting Reconstruction

An unarmed, young man is shot in the back as he is running away by a police officer. The officer states that the deceased had fallen and was in the process of turning towards the officer with a weapon in his hand when the officer elected to fire, claiming…
An unarmed, young man is shot in the back as he is running away by a police officer. The officer states that the deceased had fallen and was in the process of turning towards the… http://precisionsim.com/blog/2016-blog-posts/mar-2016-blog-posts/new-case-study-complex-officer-involved-shooting-reconstruction/

The Nieto Verdict; Forensic Science vs. Witness Testimony

Officer-Involved Shooting, (OIS) cases are commonly contentious and emotionally charged affairs. Often the loss of a loved one, meets the potential for massive financial penalties on the other, as each side is thoroughly vested in their case.
Officer-Involved Shooting, (OIS) cases are commonly contentious and emotionally charged affairs. Often the loss of a loved one, meets the potential for massive financial penalties… http://precisionsim.com/blog/2016-blog-posts/mar-2016-blog-posts/nieto-verdict-forensic-science-vs-witness-testimony/

Verdict: Guilty of First Degree Murder 3D Laser Scanning and GPS Analysis

On Thursday, Sept. 26, 2013 a jury found the 38-year-old Reno man guilty of murder and seven other felonies stemming from a car chase that ended in a hail of bullets from Wallin-Reed’s AR-15 assault rifle. Gregory Chad Wallin-Reed will likely spend the re…
On Thursday, Sept. 26, 2013 a jury found the 38-year-old Reno man guilty of murder and seven other felonies stemming from a car chase that ended in a hail of bullets from… http://precisionsim.com/blog/2015-blog-posts/nov-2015-blog-posts/verdict-guilty-first-degree-murder-3d-laser-scanning-and-gps-analysis/

Vehicle Crush Analysis with Laser Scanning

In the analysis of vehicle accidents, one of the most important sources of insight is the physical evidence left behind in the form of vehicle deformation, often referred to as “crush”. The amount and location of the damage to the vehicles exterior and in…
In the analysis of vehicle accidents, one of the most important sources of insight is the physical evidence left behind in the form of vehicle deformation, often referred to as… http://precisionsim.com/blog/2015-blog-posts/oct-2015-blog-posts/vehicle-crush-analysis-laser-scanning/

3D Working Model - Shadow Analysis

PSI’s use of the 3D Working Model has provided us with a wide array of opportunities to perform very precise analyses and illustrate the results at trial. In a recent case, PSI employed the Working Model and 3D Laser Scanning to analyze and illustrate the…
PSI’s use of the 3D Working Model has provided us with a wide array of opportunities to perform very precise analyses and illustrate the results at trial. In a recent case, PSI… http://precisionsim.com/blog/2015-blog-posts/jul-2015-blog-posts/3d-working-model-shadow-analysis/

Caught in the Act! Part Three

3D Laser Scanning – Determining & Illustrating Driver Eye View Obstructions: In the reconstruction of vehicle accidents, particularly vehicle versus pedestrian cases, one of the issues that often arises is the portion of the scene that the pedestrian w…
3D Laser Scanning – Determining & Illustrating Driver Eye View Obstructions: In the reconstruction of vehicle accidents, particularly vehicle versus pedestrian cases, one of the… http://precisionsim.com/blog/2015-blog-posts/mar-2015-blog-posts/caught-act-part-three/

Impossible Is Nothing – The 3D Working Model vs Complex Nighttime Reconstruction

A nighttime collision between two tractor-trailers leaves both drivers with debilitating injuries and closes the lanes of a major California highway for hours. Upon investigation, it becomes clear that one of the drivers was entering the highway from a si…
A nighttime collision between two tractor-trailers leaves both drivers with debilitating injuries and closes the lanes of a major California highway for hours. Upon investigation,… http://precisionsim.com/blog/2015-blog-posts/jan-2015-blog-posts/impossible-nothing-3d-working-model-vs-complex-nighttime-reconstruction/

The Old Way vs The Best Way – 6 Benefits of 3D Working Model & Animation over Traditional Video for Daytime/Nighttime Visibility Reconstruction

Traditionally, driver’s-eye nighttime visibility cases have been visualized for the jury via film and video. The benefits of this approach are mostly related to the use of the actual vehicles and scene elements, which allows the complex lighting and visib…
Traditionally, driver’s-eye nighttime visibility cases have been visualized for the jury via film and video. The benefits of this approach are mostly related to the use of the… http://precisionsim.com/blog/2015-blog-posts/jan-2015-blog-posts/he-old-way-vs-best-way-6-benefits-3d-working-model-animation-over-traditional-video-daytimenighttime-visibility-reconstruction/

The Statistics of Ballistics: Predicting the Shooter's Location

PSI has completed the fieldwork for our long awaited ballistic trajectory analysis and I have begun analyzing the statistical portion of the field test data. Calculating variances within and across the test conditions, looking for patterns and determining…
PSI has completed the fieldwork for our long awaited ballistic trajectory analysis and I have begun analyzing the statistical portion of the field test data. Calculating… http://precisionsim.com/blog/2014-blog-posts/dec-2014-blog-posts/statistics-ballistics-predicting-shooters-location/

CA2RS 2014 Annual Conference

Directly after the CAC and CACLD conferences in Sonoma, I was off to beautiful South Lake Tahoe to attend the California Association of Accident Reconstruction Specialists, (CA2RS) 2014 Annual Conference – www.ca2rs.com. This group is very active in its t…
Directly after the CAC and CACLD conferences in Sonoma, I was off to beautiful South Lake Tahoe to attend the California Association of Accident Reconstruction Specialists,… http://precisionsim.com/blog/2014-blog-posts/nov-2014-blog-posts/ca2rs-2014-annual-conference/