Preventing rape in the military through effective DNA computing Forensics Europe Expo Forensics Seminar Theatre April, 2014 London, UK Mark W Perlin, PhD,

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Presentation transcript:

Preventing rape in the military through effective DNA computing Forensics Europe Expo Forensics Seminar Theatre April, 2014 London, UK Mark W Perlin, PhD, MD, PhD Cybergenetics, Pittsburgh, PA Cybergenetics ©

Preventing military rape "Preventing the crime of sexual assault remains our focus." United States Secretary of Defense Chuck Hagel

DNA database deterrent? Evidence Genotype database Rape kit Reference Genotype database Military personnel Upload Match Upload

Rape: DNA mixture evidence + +

Problem: human thresholds Threshold Under threshold, don't use alleles Simplify data for human review Allele Pair 7, 7 7, 10 7, 12 7, 14 10, 10 10, 12 10, 14 12, 12 12, 14 14, 14

Mixture database problem Evidence Allele database Reference Allele database + Rape kit Military personnel Upload Match Upload

TrueAllele ® Technology ViewStation User Client Database Server Interpret/Match Expansion Visual User Interface VUIer™ Software Parallel Processing Computers

TrueAllele interprets mixtures Separates mixture data into minor & major contributors 25%75%

Solution: genotype probability Use all data for computer analysis Explain the peak pattern Victim's allele pair Another person's allele pair Allele Pair 7, 7 7, 10 7, 12 7, 14 5%10, 10 90%10, 12 5%10, 14 12, 12 12, 14 14, 14

TrueAllele solves rape cases TrueAllele computer, over quadrillion Lab’s human review, under a million (Billion-fold loss of information)

TrueAllele in criminal trials Court testimony: state federal military international About 200 case reports filed on DNA evidence Crimes: armed robbery child abduction child molestation murder rape terrorism weapons

TrueAllele: validated & reliable Perlin MW, Sinelnikov A. An information gap in DNA evidence interpretation. PLoS ONE. 2009;4(12):e8327. Perlin MW, Legler MM, Spencer CE, Smith JL, Allan WP, Belrose JL, Duceman BW. Validating TrueAllele ® DNA mixture interpretation. Journal of Forensic Sciences. 2011;56(6): Ballantyne J, Hanson EK, Perlin MW. DNA mixture genotyping by probabilistic computer interpretation of binomially-sampled laser captured cell populations: Combining quantitative data for greater identification information. Science & Justice. 2013;53(2): Perlin MW, Belrose JL, Duceman BW. New York State TrueAllele ® Casework validation study. Journal of Forensic Sciences. 2013;58(6): Perlin MW, Dormer K, Hornyak J, Schiermeier-Wood L, Greenspoon S. TrueAllele ® Casework on Virginia DNA mixture evidence: computer and manual interpretation in 72 reported criminal cases. PLOS ONE. 2014:9(3):e92837.

TrueAllele preserves information billion TrueAllele

Human thresholds lose information billion Thresholds TrueAllele

TrueAllele mixture database Evidence Genotype database Reference Genotype database + Rape kit Military personnel Upload Match Upload

World Trade Center attack September 11, 2001 in New York City, USA Over 2,700 victims

WTC TrueAllele database victim remainsmissing people match

1. Collect DNA from all military Reference Genotype database Military personnel Upload

2. Collect DNA from all rapes + Rape kit rape crime must be reported rape kit must be collected but attacker need not be named

3. Rapidly process rape kits + Rape kit

4. Accurately interpret DNA + Genotype probability 7, 7 7, 10 7, 12 7, 14 5%10, 10 90%10, 12 5%10, 14 12, 12 12, 14 14, 14 Rape kit

5. Upload to genotype database Evidence Genotype database Upload + Rape kit

6. Automated DNA comparison Evidence Genotype database Reference Genotype database Match + Rape kit

7. Identify and prosecute Evidence Genotype database Reference Genotype database The rapist Identify + Rape kit

Prevent rape by DNA monitoring Monitoring helps prevent people from behaving badly. TrueAllele computing for genetic surveillance to deter rape in the military.

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