Science Practical - Recovery

Question 1

How to recover exhibits believed to have accelerants on?

Answer 1

Nylon bag in a nylon bag.

If liquid, decant into container then place nylon bag on top before lid.

Question 2

How to recover wet clothing from fire scenes?

Answer 2

Nylon bag - do not dry

Question 3

How to recover wet clothing?

Answer 3

Plastic tamper evidence bag, frozen or drying cabinet.

Question 4

How to recover clothing?

Answer 4

Paper sac

Question 5

How to recover swabs?

Answer 5

But all (2 or 3) swabs into same TE bag, same ref number and info.

Question 6

How to recover a document?

Answer 6

Likely rigid container

Question 7

How to recover tape?

Answer 7

Rigid container with sticky part not stuck to box

Question 8

How to recover a bottle?

Answer 8

Rigid container

Question 9

How to recover liquid?

Answer 9

If bottle unsecured, decant into accelerant tin.
If bottle 100% secure (baby bottle), package into rigid container

Question 10

How to do a KM test?

Answer 10

Take a scratching of blood onto chromatography paper. Place 1 drop of KM, 1 drop of ethanol and 1 drop of hydrogen peroxide. Should immediately turn pink if positive reaction.

Question 11

What swabs are taken for blood?

Answer 11

Control swab, background swab, apparent blood swab.

Question 12

What swabs are taken for saliva?

Answer 12

Control, 1 wet swab, 1 dry swab

Question 13

How to recover a condom?

Answer 13

Using condom kit, put freezer clip on and place into TE bag with biohazard tape. Then seal into box.

Question 14

7 things on a CJA label

Answer 14

Police Force
Exhibit Number
Description
Date and Time
Address
Name
Signature

Question 15

How to recover explosive material?

Answer 15

Swan necked nylon bag

Question 16

What support would be needed for an explosive exhibit?

Answer 16

Forensic Explosive Laboratories (FEL)

Question 17

What goes on a fingerprint lift?

Answer 17

Exhibit number
Date and Time
Address
Description
Direction arrow
Sign over edges
Name
Scale and diagram

Question 18

What info goes on a swab?

Answer 18

Address
Date and Time
Exhibit Number
Name
Signature
Description/where from

Question 19

How to recover drugs?

Answer 19

Paper wrap or universal tube then into TE bag.

Question 20

How to recover Firearms?

Answer 20

ARV will use lead lined bag. CSI will supply TE bag to be placed into lead lined to collect debris. Packaged into cardboard box with Red Label . Paper and plastic bag also packaged as exhibits.

Question 21

What support would be needed for a fingerprint?

Answer 21

Fingerprint enhancement lab (FEL), Fingerprint identification services, Fingerprint expert

Question 22

What support would be needed for a drugs examination?

Answer 22

Drugs examination officer

Question 23

Why would we recover drugs?

Answer 23

To identify and classify as class a, b, c or legal.
To maintain forensic early warning system with regular updates.

Question 24

What does a forensic biologist do?

Answer 24

Body fluids, dna testing, fibre analysis (any biological material)

Question 25

What does a forensic toxicologist do?

Answer 25

Examine tissue or body fluids for drugs

Question 26

When would you use superglue treatment?

Answer 26

Major incidents, non porous surfaces

Question 27

What can you use on porous and non porous surfaces for fingerprints?

Answer 27

Aluminium, black granular

Question 28

Who analyses BPA?

Answer 28

BPA expert

Question 29

Who analyses documents?

Answer 29

Forensic document examiner

Question 30

Who can analyse GSR?

Answer 30

Forensic chemist

Question 31

Where are fingerprints uploaded?

Answer 31

AFIS (automated fingerprint identification system)

Question 31

Where is DNA uploaded?

Answer 31

NDNAD (national DNA database)

Question 31

Where are footwear marks uploaded?

Answer 31

NFRC (national footwear reference collection)

Question 32

Who is responsible for the recovery and safe disposal of bombs and IEDs

Answer 32

EOD (explosive ordnance disposal)

Question 33

What is EOD and what do they do?

Answer 33

Explosive Ordnance disposal. Responsible for safe recovery and disposal of bombs

Question 34

What does a forensic chemist do?

Answer 34

Analyse GSR and non biological trace

Question 35

What support would be needed for arson exhibits?

Answer 35

Fire scientists/ forensic chemists

Question 36

What does a forensic submissions officer do?

Answer 36

Manage trace evidence and DNA submissions

Question 37

What is a DNA input assistant?

Answer 37

manage DNA work going to FSP (forensic service provider)

Question 38

What is a forensic investigation researcher?

Answer 38

Analyse DNA hits and forensic results

Question 39

Who manages trace evidence and DNA submissions?

Answer 39

Forensic submissions officer

Question 40

Who manages DNA work going to the FSP?

Answer 40

DNA input assistants

Question 41

Who analyses DNA hits and forensic results?

Answer 41

Forensic investigation researchers

Question 42

What does an enhancement lab do?

Answer 42

Trace evidence

Question 43

What can be used to identify seminal fluid?

Answer 43

UV / AP test

Question 44

False positive for AP test?

Answer 44

Vaginal secretions and cauliflower

Question 45

Specialist photography for sexual assault cases?

Answer 45

UV photography

Question 46

Swabs for wet seminal fluid

Answer 46

Dry swab

Question 47

Recovery of dry seminal fluid

Answer 47

Paper sac

Question 48

Recovery of wet seminal fluid

Answer 48

Plastic bag/tube and freeze

Question 49

Consideration when transporting fire exhibits/nylon bags

Answer 49

Hydrocarbons and fuel vapours can give false positives

Question 50

What would you use to recovery trace explosives?

Answer 50

TERK (trace explosive recovery kit)

Question 51

Who is needed for firearm recovery

Answer 51

ARV

Question 52

Swabbing shotgun cartridges

Answer 52

1 dry swab

Question 53

Swabbing 9mm cartridges

Answer 53

Wet/dry swabs of base and side