This is an electrophoresis gel with DNA and a marker. This is the process used for finding out who committed a crime by analyzing whether their DNA matches with the marker( the marker would be something they touched or a blood sample)

Stock photo: This is an electrophoresis gel with DNA and a marker. This is the process used for finding out who committed a crime by analyzing whether their DNA matches with the marker( the marker would be something they touched or a blood sample) was taken by alexfrostbound .