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Forensics Y2 > Science Practical - Recovery > Flashcards

Science Practical - Recovery Flashcards

1
Q

How to recover exhibits believed to have accelerants on?

A

Nylon bag in a nylon bag.

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

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2
Q

How to recover wet clothing from fire scenes?

A

Nylon bag - do not dry

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3
Q

How to recover wet clothing?

A

Plastic tamper evidence bag, frozen or drying cabinet.

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4
Q

How to recover clothing?

A

Paper sac

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5
Q

How to recover swabs?

A

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

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6
Q

How to recover a document?

A

Likely rigid container

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7
Q

How to recover tape?

A

Rigid container with sticky part not stuck to box

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8
Q

How to recover a bottle?

A

Rigid container

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9
Q

How to recover liquid?

A

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

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10
Q

How to do a KM test?

A

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.

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11
Q

What swabs are taken for blood?

A

Control swab, background swab, apparent blood swab.

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12
Q

What swabs are taken for saliva?

A

Control, 1 wet swab, 1 dry swab

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13
Q

How to recover a condom?

A

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

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14
Q

7 things on a CJA label

A

Police Force
Exhibit Number
Description
Date and Time
Address
Name
Signature

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15
Q

How to recover explosive material?

A

Swan necked nylon bag

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16
Q

What support would be needed for an explosive exhibit?

A

Forensic Explosive Laboratories (FEL)

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17
Q

What goes on a fingerprint lift?

A

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

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18
Q

What info goes on a swab?

A

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

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19
Q

How to recover drugs?

A

Paper wrap or universal tube then into TE bag.

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20
Q

How to recover Firearms?

A

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.

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21
Q

What support would be needed for a fingerprint?

A

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

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22
Q

What support would be needed for a drugs examination?

A

Drugs examination officer

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23
Q

Why would we recover drugs?

A

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

24
Q

What does a forensic biologist do?

A

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

25
Q

What does a forensic toxicologist do?

A

Examine tissue or body fluids for drugs

26
Q

When would you use superglue treatment?

A

Major incidents, non porous surfaces

27
Q

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

A

Aluminium, black granular

28
Q

Who analyses BPA?

A

BPA expert

29
Q

Who analyses documents?

A

Forensic document examiner

30
Q

Who can analyse GSR?

A

Forensic chemist

31
Q

Where are fingerprints uploaded?

A

AFIS (automated fingerprint identification system)

31
Q

Where is DNA uploaded?

A

NDNAD (national DNA database)

31
Q

Where are footwear marks uploaded?

A

NFRC (national footwear reference collection)

32
Q

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

A

EOD (explosive ordnance disposal)

33
Q

What is EOD and what do they do?

A

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

34
Q

What does a forensic chemist do?

A

Analyse GSR and non biological trace

35
Q

What support would be needed for arson exhibits?

A

Fire scientists/ forensic chemists

36
Q

What does a forensic submissions officer do?

A

Manage trace evidence and DNA submissions

37
Q

What is a DNA input assistant?

A

manage DNA work going to FSP (forensic service provider)

38
Q

What is a forensic investigation researcher?

A

Analyse DNA hits and forensic results

39
Q

Who manages trace evidence and DNA submissions?

A

Forensic submissions officer

40
Q

Who manages DNA work going to the FSP?

A

DNA input assistants

41
Q

Who analyses DNA hits and forensic results?

A

Forensic investigation researchers

42
Q

What does an enhancement lab do?

A

Trace evidence

43
Q

What can be used to identify seminal fluid?

A

UV / AP test

44
Q

False positive for AP test?

A

Vaginal secretions and cauliflower

45
Q

Specialist photography for sexual assault cases?

A

UV photography

46
Q

Swabs for wet seminal fluid

A

Dry swab

47
Q

Recovery of dry seminal fluid

A

Paper sac

48
Q

Recovery of wet seminal fluid

A

Plastic bag/tube and freeze

49
Q

Consideration when transporting fire exhibits/nylon bags

A

Hydrocarbons and fuel vapours can give false positives

50
Q

What would you use to recovery trace explosives?

A

TERK (trace explosive recovery kit)

51
Q

Who is needed for firearm recovery

A

ARV

52
Q

Swabbing shotgun cartridges

A

1 dry swab

53
Q

Swabbing 9mm cartridges

A

Wet/dry swabs of base and side

Forensics Y2 (7 decks)

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