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People of California v Dupree Langston and Charles Lawton
Computer defeats crime gang
| Crime | During the fall of 2011, a gang committed a five-week crime spree robbing eight businesses in Bakersfield, Delano and Visalia. |
| Evidence | Touch DNA was found on the front counter of one of the stores. |
| DNA | Kern Regional Crime Laboratory developed a DNA mixture of at least three people from the front counter. |
| Match | The lab’s manual analysis did not provide a match statistic. |
| TrueAllele | On the same DNA data, the computer’s match statistic connecting the front counter to Dupree Langston was 553 million. |
| Cybergenetics | On January 11, 2013, Dr. Mark Perlin testified at a Kelly-Frye hearing and trial, about the computer’s match statistic. |
| Outcome | Charles Lawton and Dupree Langston were convicted of robbery with a firearm. Charles Lawton was sentenced to 73 years in prison and Dupree Langston to 78 years. |
Media
- Police: store owner shoots at robbers 23 ABC News Bakersfield
- Two arrested in connection with attempted robbery at Max Muscle 23 ABC News Bakersfield
- Kern County District Attorney Lisa Green announced a conviction in a significant gang case today Office of the District Attorney, County of Kern
- Kern County resolves the DNA mixture crisis Forensic Magazine