Association of Forensic DNA Analysts and Administrators

San Antonio Texas May 31, 2013 Robert Askew

• Full case management from one click direct import from GeneMapper® ID/ID-X through QA/QC Checks, Mixture Interpretation, Matching and Comparisons, Statistics, Reporting, CODIS.

• DNA interpretation software developed “By forensic analysts for forensic analysts”

• Not an expert system - It’s a tool for experts.

What Is ArmedXperttm?

• Originally created by an analyst with the United States Army Crime Laboratory.

• Began as a individual project to make analysis easier.

• Numerous analysts from the laboratory made suggestions and contributions.

• As development continued several other laboratories were resourced to make contributions.

• Presented at numerous forensic meetings.

Origins of ArmedXperttm

• US Army filed patent and began solicitation process for commercial partner in 2008.

• NicheVision received exclusive worldwide rights to commercialize software in fall 2010.

• First Windows platform release in 2011.

• Current version used for casework by analysts worldwide.

• Received US Army Certificate of Networthiness in 2012.

• JEFF and DNA

Transition To Commercialization

• Currently installed in 20 State, County, and Local crime laboratories in US and Canada.

• 30-35 installations anticipated by end of 2013.

• Full backing and support of the United States Army.

• Has become the most installed DNA analysis casework software tool in US…and it happened in less than 18 months!

Installed Base

Community Project

• Reached out to Dr. John Buckleton, Dr. Jack Ballantyne, SWGDAM, and many end users to make sure we get it right!

• Collaboration already completed with NIH for full OSIRIS integration in ArmedXpert.

• Software is 100% transparent.

• Inter-laboratory validation completed and presented at AAFS 2013 (WSP, LAPD, LA Sheriff Office, Palm Beach County, USACIL, UNT, UCF)

#1 Objective –“Embraceability”

Instant Benefits: • Saves time removing “heavy-lifting” from manual calculations, data

transfer and documentation. • Reduces opportunities for errors including transposition,

calculations or Excel gymnastics. • Increases consistency from case to case and analyst to analyst. • Maximizes the amount of interpretable data especially for

challenging samples (less information is discounted) • It increases the amount of parameters considered (PHr, contributor

proportions, stochastic thresholds, stutter, etc) • Identifies samples that may have limited forensic significance

allowing focus to be on the most probative samples

Technical Advantages: • No platform or scaling issues. • Fully Supports Windows PC’s (8,7, XP, Vista) • Networked via Microsoft SQL (32-bit/64bit) or full non-

network operation. • Password protected through Microsoft SQL. • No software limits for database size. • Imports data from any kit type including Identifiler,

Identifiler Plus, PowerPlex 16, Profiler/Cofiler, Yfiler, GlobalFiler™, and PowerPlex® Fusion.

• Templates for new kits can be added on-the-fly.

One integrated tool does the job: • Full Case Management - Does everything you want to

do with your table data – Control Checks, Matching, Mixture Interpretation, Statistics, CMF files for CODIS, etc

• Statistics module includes SS, CPE/CPI, RMP incorporating drop-out, LR, fully SWGDAM compliant

• Fully supports three contributor samples • Provides concise on-screen views or printouts to show

results. Any screen view can be printed for case file documentation.

Completely customizable:

• Lab defines own thresholds

• Lab defines own databases

• Lab defines own reporting

• Lab defines own SOP

Cool Tools: • Automatically fills out proficiency reports • Sensitivity Studies -Automatically crunches

dilutions series and calculates PHr’s, mean, standard deviations with corresponding range charts.

• Precision Studies* - Bp Size Max, Min, Mean and Std Deviation

• Core and Plug-in structure

* Summer 2013

In Summary…It’s Totally Practical: • Easy to install, IT Friendly, User Friendly • Diverse set of statistical analysis tools to

suit any application • Completely secure • It’s casework validated • It’s supported by US Army • Since it was developed by scientists, it

works like you work

What ArmedXpert Will Not Do:

• Improve sample quality

• Force you to take a specific approach or path for sample interpretation.

• Provide an “answer” without user input.

• Does Not replace analyst experience and judgment

ArmedXpert Options - General

ArmedXpert Options - Data

ArmedXpert Options – Mixture Int.

ArmedXpert Options - Statistics

ArmedXpert Options – QC Ladders/Controls

ArmedXpert Options – Reporting CODIS

ArmedXpert At 40,000 Feet

ArmedXpert

Modules

Views Data QC Checks Match& Compare

Interpretation Reporting

ArmedXpert at 40,000 Feet Table Data

ArmedXpert At 40,000 Feet QC Checks

ArmedXpert At 40,000 Feet Mixture Interpretation Interface

ArmedXpert At 40,000 Feet Contributor Proportions Reporting

ArmedXpert At 40,000 Feet Statistics

Statistics

• Unrestricted CPI

• Restricted CPI

• Unrestricted RMP

• Restricted RMP

• Conditioned RMP

• Modified RMP

• UC Likelihood Ratio

• F Model LR*

• Q Model LR*

• Drop Model LR*

• Semi-Continuous LR*

• Fully Continuous LR^

*Scheduled ArmedXpert Release Q3 2013 ^Partnership Release Planned Q1 2014

WWW.ARMEDEXPERT.COM

QUESTIONS?