Mystery Writers Key West Fest
Friday, August 14, 2015
Mystery Writers Key West Fest started on Friday with a presentation by a crime scene investigator and a detective. “We witness what other people shouldn’t have to witness.” Regarding crime scene shows, the detective said they have most of the technology right but not the timing for things like DNA results.
[Disclaimer: These statements are my interpretations of what I heard or scribbled down and may not be totally accurate.]
Who shows up first at a crime scene? The lead investigator, civilian techs, detectives, and responding officers. The latter’s job is to secure the scene, identify and control any dangerous individuals, and assess the environment. Approach/Survey/Notify. They’ll call for emergency care of injured persons without contaminating the scene. Crime scene work “is almost like an art when you do it for a long period of time.” The team must secure and control people at the scene and document everyone who is present in a crime scene log. They must gather physical evidence to aid in prosecution.
Processing the Scene
The team’s composition is decided. This may include a dive team, SWAT, K-9, M.E., State Attorney, other officers or affiliated agencies. A command post is set up. “We document every single step in a crime scene.” Documentation includes photos, video, sketches, notes, and measurements. The purpose is to collect, preserve, inventory, package, transport and submit evidence.
Different types of sketches are done. A Perspective sketch depicts a view of the scene along with positioning of evidence. “It’s like pieces of a puzzle that you put together for your best guess at what happened.” A Projection sketch is a viewpoint from above. A sketch or photo of blood spatter on a gun can be revealing as to whose blood it is, the angle, etc. Another sketch may be taken using two fixed objects and measuring the distances to various pieces of evidence and/or the body.
When searching an area, methods deployed include the Lane or Strip Search, Grid Search, Zone Search, and Spiral Search.
Biological evidence will be collected after photos are done. The investigator has to keep changing gloves so as to not cross-contaminate the scene.
Investigators following up on a burglary will look for the same types of evidence. Unattended deaths are treated as a homicide until signed off by a personal physician or the M.E.
The M.E., and not a coroner, determines cause of death. [I think this is what was said, but you’d better verify my statements before using them in a novel. And different states might have different laws.]
The Sheriff’s office supersedes the local police, but they work together. Everyone in CSI is cross-trained to engage and work in different situations.
Physical evidence can include body fluids, blood, ignitable liquids, bombs, stains detected by forensic light sources, sexual assault kit results, ammo, tool marks when there’s been a break-in, tools found in the trunk of a car. Footprints, shoe and tire impressions. Electronic and digital items. Documents that can be checked for sweat, blood, and prints. And of course, fingerprints.
Plastic degrades DNA. Use paper bags to hold evidence. Shelf life of DNA is 500 years. There are only three types—black, white, and Asian.
“Love, hate, and greed are the three reasons for murder.”
Social Media with Irish Author Laurence O’Bryan
Laurence said he’d acquired blog and Twitter followers before he got published. When he sold a book, his publisher put the number of followers on his sell sheet. So get started tweeting and blogging before you’re published. “Authors must be online and accessible.” Extend your novel via maps, pictures of locations in your novel, research posts, and other online extras. Tweet items of value. Re blogging: Show pictures with your posts, use short paragraphs and a bigger font. “Engagement with other people is the Holy Grail.”
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I didn’t stay for the talk on Audio Books as I had to catch the shuttle downtown to make the opening ceremonies at the Smokin’ Tuna Saloon. This was a pleasingly informal setting to chat with friends and meet new ones. So many people to greet! Florida chapter MWA members present included myself (chapter president), Gregg Brickman (chapter treasurer), Heather Graham, Don Bruns, Britin Haller, Sharon Potts, Sandra Balzo, Michael Haskins, Vicki Hendricks, Carolina Garcia-Aguilera, Becky Swope, and more.
As we got rained out, I passed on the subsequent bar stroll. It was getting near my bedtime anyway. More in the next post.
See the photo album on my Facebook Page. Please Like the page while there.
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