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Tag Cloud

Nighttime Accident ReconstructionExplosionVehicle 3D Laser ScanSide Barsaccident reconstructionNietoEye WitnessFEWACrush AnalysisFieldworkTrajectoryDefenseCamera Lense Field of ViewSpecific Calculationsreconstruction analysisdepositionMuni Bus On-Board Camera SystemGunshot Wound ModelingTrace Back Analysis.223filmMistrialscientific evidenceRay TensingTImeline from AudioConstruction AccidentDriver's Eye View ObstructionCamera Lense DistortionShadow AnalysisAnalysisCCSFhot topicCA2RS1000 HoursForensic AnimationIncident and Exemplar VehiclesanimationAnimation over VideoConstruction WorkerNational NewsTestimonyVehicle Crush AnalysisAssault RifleMedical AnimationWitness Testimonyprofessional911 CallWitness StandLaser Scanninginfant death settlementBallistics AnalysisCrosswalkExemplar Life Sized IntersectionFirst Degree MurderRadiologicalWire StrikeCalifornia Association of Accident Reconstruction SpecialistsPhotometrySan Francisco Intersectioncrash scene mappingMeasurements402 HearingCalifornia Association of Crime Lab DirectorsNieto Verdictnighttime visibility studyGuilty VerdictAutopsy ReportShadowCone of UncertaintyDriver's Eye VideoseachaoExpert Witness3FEWA Secretary2014 Annual ConferenceCrosswalk in ShadowThe Working ModelOld Way vs Best WayDavid vs. Goliath CaseDetermine Driver's Eye Viewforensic consultantDownstream Benefits of 3D Laser Scanning7 Days on Witness Stand3D Animationbody camera for deputies and officersnorthern california chapter3d Visualizationevidence documentationCACLDError AnalysisTrajectory RodsCACconsultantDr Judy MelinekCalTransExpert's PreparationOfficer Involved ShootingNews VanCalifornia Association of CriminalistsNighttime VideoVisible GeometrySurgicalBallistic Trajectory Analysis3D Gunshot Wound Path ModelProfessional Association3D Animation over Nighttime VideoMedicalMonte Carlo MethodVideo AnalysisCapital Crime7.6 Mile PursuitBody CameraVisibility StudiesExpert's Analysissacramento settlementSight ObstructionsTrace back to shooter's locationComplex Accident Scene Reconstructionlargest infant death settlement in californiaby eyeForensic Science InternationalMarco Topete MurderLitigationLaser Assisted PhotogrammetryPhysical EvidenceVideo AlignmentCriminalistCNNSurgical AnimationPersonal InjuryShooter's LocationOISIllustrate Driver's Eye ViewGPS AnalysisComplete Analysis3D Working ModelAR15Radio TrafficNew Forensic TechnologyEmergency Deployment Recorders$84,000,000 Verdictsforensic expertObjectionsPhotogrammetryBallistic StudyDemonstrative Exhibits3D Animation and Video CompositingMichael BrownRadio Traffic AudioExhibits FoundationBus vs. PedestrianExcellent PresentationsPlaintiffFerguson MOforensic mappingOperator LiabilityVideo Capture Frame RateCalifornia District Attorneys AssociationShooting.45 CaliberLitigation DeclarationsSeoul KoreaPeer-ReviewedReporter InjuredISO 170203D Laser ScanningTiming and Location of EvidenceOhio vs TensingVariancesPower Line Wire Strike911 Call AudioCDAAEyeWorld Forensic FestivalAccidental ShootingforensicSingle Vehicle Accident3D crime scene mappingSam DuboseCross Examination9.75 millionLaser ScanReconstructionCraig FriesCDAA Winter ConferencecollaborativeForensic Expert Witness AssociationDetermine Degree of ErrorSouth Lake Tahoe


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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/