Key Takeaways:
- The King County Sheriff’s Office has acquired a new technology called the Rapid DNA machine, which can analyze DNA samples in 90 minutes.
- The machine can process multiple samples at once, reducing the number of samples that need to be sent to the state crime lab for formal analysis.
- The technology has been around for about a decade, but King County is the first in Washington to have it in-house.
- The machine determines a presumptive match or no match, but formal DNA analysis is still required for court evidence.
- The King County Sheriff’s Office expects to begin using the Rapid DNA machine for low-level felony cases by the end of the month.
Introduction to Rapid DNA Technology
The King County Sheriff’s Office has recently acquired a new technology that is revolutionizing the way they process DNA evidence. The Rapid DNA machine, as it is called, can analyze DNA samples in a matter of minutes, rather than weeks or months. This technology has the potential to greatly speed up the investigation process, allowing officers to get results quickly and make informed decisions about their cases. According to King County Sheriff’s Captain Chris Leyba, the machine can process multiple samples at once, reducing the number of samples that need to be sent to the state crime lab for formal analysis.
How the Rapid DNA Machine Works
The Rapid DNA machine is a game-changer for investigators, allowing them to place DNA into the machine and get results in 90 minutes. This is a significant improvement over the current process, which can take weeks or months to get results. The machine can determine whether a DNA sample is a single source of human DNA, and can process multiple samples at once. For example, if investigators collect 14 blood samples at a crime scene, they can run all 14 samples through the machine and determine which ones belong to the victim. This can help to narrow down the number of samples that need to be sent to the state crime lab for formal analysis, saving time and resources.
Cost and Availability of the Rapid DNA Machine
The Rapid DNA machine is a significant investment, with a cost of $230,000 per machine. However, the King County Sheriff’s Office was able to secure a Department of Defense earmarked grant to purchase the machine, and has even requested funds to buy a second machine for north King County. This will allow them to spread out their resources and make the technology more accessible to investigators across the county. The machine has been around for about a decade, but King County is the first in Washington to have it in-house. The technology is quickly spreading west, and it is likely that other law enforcement agencies will be adopting it in the near future.
Limitations of the Rapid DNA Machine
While the Rapid DNA machine is a powerful tool, it is not a replacement for formal DNA analysis. The machine can determine a presumptive match or no match, but the sample still needs to be sent to the state crime lab for formal confirmation. This is because the machine is not admissible in court, and formal DNA analysis is still required for court evidence. However, the machine can help to speed up the process of getting probable cause, and can help investigators to focus their efforts on the most promising leads. In the long term, the machine can also be used for elimination cases, where investigators have a large number of samples to analyze and need to prioritize their efforts.
Future Plans for the Rapid DNA Machine
The King County Sheriff’s Office is excited to start using the Rapid DNA machine for low-level felony cases by the end of the month. This will allow them to test the technology and work out any kinks before expanding its use to more serious cases. The machine has the potential to make a significant impact on the investigation process, and could help to solve cases more quickly and efficiently. According to Captain Leyba, the machine can be used to analyze DNA samples from sexual assault kits, and can help to prioritize cases where there is viable DNA evidence. This could help to bring justice to victims more quickly, and could help to reduce the backlog of cases waiting to be analyzed. Overall, the Rapid DNA machine is a powerful tool that has the potential to revolutionize the way law enforcement agencies process DNA evidence.


