Fingermark flow charts 7-12

What is chart 7.1 used for?

Adhesive coated surfaces

On chart 7 what should you use for the non-sticky side?

Appropriate tape

On chart 7 what should you use for adhesive (sticky) side?

Gentian Violet or

Superglue

What is chart 8 used for?

Untreated metal

On chart 8 what should you use if the item is dry?

powders or

small particle reagent

On chart 8 what should you use if the item is greasy?

Sudan black or

Gentian Violet (if small)

What is chart 9 use for?

Raw Wood

On chart 9 what should you use on dry wood?

Ninhydrin or

Powders

What should you use on wet smooth timber?

Physical developer

(problematic)

What is chart 10 used for?

Wax &

Wax surface

On chart 10 what should you use if the item is dry?

Sudan black

Superglue

Powders

On chart 10 what should you use if the item is wet?

small particle reagent

(small items only)

What is chart 11 used for?

Fibres

What should you use to develop prints on fibres?

Superglue

Radioactive sulphur dioxide

overall problamatic

What is chart 12 used for?

Fingerprints in blood

On chart 12 what do you do with wet fingermarks?

Dried in situ

Fluorescence examination

What should you do if the fingermark is dry & on porous surface?

In sequence:

- DFO​

- Ninhydrin​

- Amido Black​

- Physical Developer​

What should you do if the fingermark is totally contaminated with blood?

Amido Black or​

Ninhydrin