Packaging

Question 1

how do you preserve evidence

Answer 1

paper
plastic

Question 2

what does packaging evidence in plastic do?

Answer 2

plastic destroys fingerprints in transport
moisture in plastic creates mold/mildew destroying biological evidence

Question 3

what to avoid with packaging evidence?

Answer 3

avoid heat and sunlight, keep items at room temperature

Question 4

what are the exceptions to plastic bags?

Answer 4

drugs going to lab only
currency bags only

Question 5

first rule for the laboratory

Answer 5

all items must be properly packaged and sealed with correct labeled information and biohazard stickers

Question 6

second rule for the laboratory

Answer 6

request for laboratory examination form must be correctly filled out

Question 7

third rule of the laboratory

Answer 7

items will not be accepted in packaging smaller than a 5x7 envelope

Question 8

fourth rule for the laboratory

Answer 8

make packaging as small as possible for minimal storage, but do not pack items tightly

Question 9

why can’t envelopes be smaller than 5x7?

Answer 9

-because really small packages get lost
-item packages need to be cut into and resealed several different items

Question 10

what type of clothing or bedding needs to dry in drying rack before packaging?

Answer 10

wet, bloody clothing, or bedding

Question 11

use additional ? to separate wet/bloody clothing

Answer 11

wrap in brown paper

Question 12

steps to packaging wet/bloody evidence?

Answer 12

dry in drying rack
wrap in brown paper
package in brown paper bag
bio hazard sticker
separate victim and suspect items

Question 13

if bloodstain is wet, how do you keep it from leaking to the other side of the shirt?

Answer 13

use butcher block to separate front from back

Question 14

types of trace evidence

Answer 14

hair
fibers
soil
glass
paint chips

Question 15

way to to pick up trace evidence

Answer 15

tweezers
post-it notes
gloved fingers

Question 16

what to package the trace evidence in?

Answer 16

glassine envelope
druggist fold
primary container - manila envelope

Question 17

type of primary container

Answer 17

manilla envelope

Question 18

what should you never store trace evidence with?why?

Answer 18

cotton
because after removing it from the cotton, some of the fiber will stuck onto it

Question 19

why is plastic bad for trace evidence?

Answer 19

Plastic bad for trace evidence bc a static charge occurs and the hair will pop out and be lost evidence

Question 20

what is a druggist fold? what type of evidence stored in it?

Answer 20

pharmaceutical fold
perfect for trace evidence (smaller items)
drugs/pills

Question 21

how to package casings/bullets? package in what?

Answer 21

with tweezers - no metal tweezers
gloved hands
Container i.e. cardboard box with no cotton​
(Held in place with stick from cotton swab)

Question 22

2 types of biological evidence/DNA (Red stain or suspected blood)

Answer 22

dry samples or wet samples

Question 23

type of PPE to handle dry or wet samples?

Answer 23

wear fresh gloves and mask before sampling

Question 24

how to collect a dry sample vs wet sample?

Answer 24

dry: moisten a sterile cotton swab with one drop of distilled water and collect sample from surfaces
wet: use as sterile swab (no distilled water)

Question 25

how to package a dry vs wet sample?

Answer 25

dry: air dry the sample before packaging in PAPER
wet: allow swab to dry before packaging in PAPER

Question 26

how to store dry sample?

Answer 26

store in swab box/ glassine envelope

Question 27

what is the primary package for a dry sample and what to add to it?

Answer 27

manilla envelope
biohazard sticker

Question 28

examples of wet samples

Answer 28

blood
saliva
urine
vomit

Question 29

obtain as much of a particular sample as possible and necessary. How much?

Answer 29

enough, 1 or 2 swabs

Question 30

do not package suspect and victim samples together. why?

Answer 30

the potential for cross contamination

Question 31

what has a small amount of DNA (saliva)?

Answer 31

bitemarks

Question 32

where do you swab for bitemarks? and what type of swab is used?

Answer 32

do a swab over and around (inside and outside of bitemark)
use double swab technique - 1 wet and 1 dry

Question 33

why is the double swab technique used?

Answer 33

1 wet swab around the area and let it air dry and package the swab. Then immediately after, 1 dry swab of same exact area to pick up any epithelial cells left behind. Wet swab moistens area, dry swab picks up anything left behind. Package them separately and precisely

Question 34

what type of evidence is primer residue?

Answer 34

trace evidence

Question 35

how to collect and package primer residue?

Answer 35

Fold brown paper into clothing with primer residue to prevent transfer of residue​

Package in brown paper bag

Question 36

features of Mikrosil

Answer 36

_rigid___ Container​

No Cotton​

Package _tool__ Separately​

Tool: Protect From Additional Markings​

Question 37

gun are rendered ?

Answer 37

safe

Question 38

how to handle a found gun?

Answer 38

Use Plastic Zip Tie to Secure to Box​

Mark Box as _Unloaded__​

Do Not Place Anything in the Barrel or Chamber

Question 39

what happens if a gun is found in water?

Answer 39

keep it in water because air will cause it to rust

Question 40

can a magazine be with gun in box?

Answer 40

separate from gun

Question 41

can ammo be with gun in box?

Answer 41

must be secured in envelope or rigid container

Question 42

how to package knives/needles/syringes?

Answer 42

Knife Box with Zip Tie​

Sharps Container​

Bio Hazard Sticker

Question 43

steps for labeling item

Answer 43

_Item #___​

Item description​

Case #​

_Date_____ (of collection)​

Location​

Collectors name/initials

Question 44

what do you seal the packaging with?

Answer 44

seal with packaging tape or red evidence tape: all open seals
do not need packaging and red tape
biohazard sticker if necessary

Question 45

how to initial labels and seals?

Answer 45

Initial/date all tape seals AND _manufacturer___ seems​

Initial tape on each side of packaging​

Initial must overlap tape and packaging​

Date = date of packaging

Question 46

ways to protect yourself and your evidence

Answer 46

Wear gloves, change them often​
​
Use _disposable___ instruments or clean them before and after handling each sample​

Avoid touching areas where you believe DNA may exist​
​
Avoid coughing, sneezing or even talking/breathing onto sample – wear masks​

Avoid touching your face, nose and mouth when collecting and packaging evidence​

Treat all samples as a __hazardous__ pathogen – HIV, hepatitis B, TB (airborne)