Where It Works
"If you know where exactly a perpetrator touched something, then yeah, you could swab something. But most of the time we don't know so it's better if you have something that is cloth or fabric or a rope, some sort of ligature, bricks and rocks, things like that, wooden boards, I would always recommend the M-Vac™ versus swabbing just because I've seen the results! It's not just a theoretical thing. I know what it can do. I know you can get some pretty amazing results using M-Vac™. So the more I use it the more I'm a proponent of it for sure." --Suzanna Ryan, Laboratory Director/Forensic DNA Analyst, Pure Gold Forensics
With what types of evidence has the M-Vac™ been successful or where does it work well? The obvious answer is porous or rough surfaces, but it also works well on some surprising substrates. It has yielded meaningful, third-party data from these evidence types.
- 2x4 boards*
- Armoire*
- Backpack*
- Bag*
- Bat handle*
- Bedding - Pillow*, sheets*, blanket* and comforter*
- Bricks*†¤ - Casework - University research - Validation - Study
- Carpet*† - University research
- Carpet - Automotive Carpet*¤ - Casework - Study
- Carpet - Carpet Padding¤
- Carpet - Outdoor Carpet¤
- Cinder block*¤
- Clothing - 43-year-old evidence*, other old evidence*
- Clothing - Blood soaked clothing (Y-STR)*
- Clothing - Cotton T-Shirt¤
- Clothing - Denim swatches†
- Clothing - Halter top*
- Clothing - Knit Cap¤
- Clothing - Pants*
- Clothing - Pants pockets*
- Clothing - Panties*
- Clothing - Scarf*
- Clothing - Shirt†
- Clothing - Ski mask*
- Clothing - Socks*
- Clothing - Sweatshirts*
- Clothing - Water soaked clothing*
- Drywall - Painted flat¤
- Drywall - Painted satin¤
- Drywall - Painted semi-gloss¤
- Drywall - Painted gloss¤
- Duffle bag*
- Environmentally aged clothing* - Casework 1 - Casework 2
- Firearms*
- Gloves - Latex*
- Gun sock*
- Hard Hat Liner*
- Knots*
- Ligature*
- Mask*
- Molotov cocktail wick*
- Pants pockets*
- Purse*
- Rocks*¤ - Casework - Validation
- Ropes*
- Rope - hemp¤
- Rope - nylon¤
- Shoes*
- Sink trap*
- T-Shirts*
- Tape - Packing Tape - including the sticky side*
- Tape - Duct Tape¤
- Tile†
- Tool boxes*
- Tools*
- Towel*
- Toy stuffed animal*
- Vehicle seat*
- Vehicle carpet¤
- Vehicle cushion collar¤
- Vehicle cushion insert¤
- Vehicle trunk liner and mat¤
- Wallet*
- Water soaked clothing*
- Wigs*
- Wood - Pressure-treated¤
- Wood - Oak¤
- Wood - Pine¤
- Wood - Plywood¤
- Zip ties*
* Denotes that the item has yielded meaningful profiles in casework.
† Indicates the item was analyzed in university research.
¤ Means the item was studied by either the FBI or an independent agency or lab, either for research or validation purposes.
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