A Blood Stain Found at a Crime Scene

Technology could be used in criminal cases, a either blood a blood stain found at the scene. There's some legal complication thog. If you have a probable cause, you can take that suspect's blood and compare it to the blood found at a crime scene. Guess what? O j, that's your blood in the trunk of that car. But lawyers are still important, so, you know. And it's also lostha, can be done with with a seaman, sure. Saliva, a postage stamp, agar. Iili s these things.