I spent the five happiest years of my life in a morgue. As a forensic scientist in the Cleveland coroner’s office I analyzed gunshot residue on hands and clothing, hairs, fibers, paint, glass, DNA, blood and many other forms of trace evidence, as well as crime scenes. Now I'm a certified latent print examiner and CSI for a police department in Florida. I also write a series of forensic suspense novels, turning the day job into fiction. My books have been translated into six languages.
I've worked in forensics since 1994. The best part of the job is making a fingerprint 'hit' that tells us who the bad guy is, or working a crime scene and finding or concluding something that helps explain what happened there. The worst part is being stressed by detectives or attorneys who want all the answers right now and don't understand what they're asking for, or testifying in court and having no idea what's going to be thrown at you.
I couldn't tell you the exact chemistry, but it reacts with the iron present in hemoglobin to indicate blood. However it also reacts with other oxidizing agents such as copper and horseradish. Unlike what you see on TV, we don't spray luminol and then use a UV light or some such thing. We make the room as dark as possible, spending a lot of time taping material over windows and door cracks and 'ready' lights, then spray the luminol.or Bluestar. It will glow on its own without any additional equipment, and won't last long. It can be photographed but that's a bit of work. It won't stain or harm anything.
As much or as little as it does in any other profession. At least half if not most forensic techs are female, so it's not that uncommon to have attractive ones. Many moons ago I used to be one, so I know that sometimes it's helpful to have people open doors for you, and sometimes it's a royal pain in the neck.
We have worksheets or notebooks that we use to make notes at the scene, and we have worksheets that we sometimes use in the lab if we want to. Then the 'official' report, which is usually fairly simple, is typed into our computer system so that everyone in the department can view results or print it out for the attorneys. It will outline everything we did and any results obtained.
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it is always helpful to know what will give a false positive result. Hemastix will also react with a few other substances, such as vomit for one. That's why it's called a prelimary test and not a confirmatory test. Good job!
I've had two jobs in forensics and didn't have connections to get either. I didn't get a number of jobs because they were already planning to hire someone's brother-in-law, but I eventually got a position. The procedure is whatever the agency requires and they will all be different, so you need to check out the websites of any agency you would like to apply to. They will usually have a clearly defined process for application.
Whatever points conclusively to the identity of the perpetrator. That could be a fingerprint or DNA or some personal item they used or their picture on a surveillance video.
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