Section 5 and 10
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| 🇬🇧 | 🇬🇧 |
| Where and how to temporarily store evidence? | Evidence locker and properly sealed ( |
| SEM Test | Scanning Electron Microscopy |
| GSR | Gun Shot Residue |
| Forensic Science | The application of scientific principles as they relate to criminal investigations |
| Transient Evidence | Temporary easily changed or lost; observed by first officer |
| Pattern Evidence | Produced by direct contact between a person and an object or between two objects |
| Conditional Evidence | Produced by a specific event or action; important for reconstruction |
| Transfer Evidence | Produced by contact between person(s) and objects or between two people |
| Associative Evidence | Something that may link a victim or suspect with a scene or to each other |
| Egress | Exit |
| Ingress | Entryway |
| Physical Location | Where the offense was committed |
| Documentary Evidence | Writings and official records |
| NIBIN | National Integrated Ballistics Information Network |
| Transference | Nobody can come in contact with anything without picking up or leaving any evidence behind |
| Locard's Exchange | Every contact leaves a trace |
| Testimonial Evidence | Witness accounts of an incident |
| Physical Evidence | Any tangible material item that is present at a crime scene |
| What does the criminalistics lab do? | Analyze, identify and interpret evidence |
| What do firearms examiners do? | Compare bullets & FCC's from crime scenes |
| What shouldn't examiners do at a scene? | Eat, drink, chew tobacco, smoke, spit or liter |
| Photos are considered documentation unless... | It is the primary method of recovery |
| What is considered appropriate packaging? | Using carboard boxes, envelopes, and paper bags |
| If entire article collection or cutting it out is not possible... | Use STERILE SWAB and DEIONIZED water |
| How do you collect sharp objects? | Wrap the sharp edge in paper and place in a box marked with "CAUTION-SHARP OBJECT" |
| How do we collect money? | We don't; we count the money with detective for documentation and then the detective takes it |
| How to perform a SEM test? | Start with the thumb, go to the web, then go to the index finger then wrap around to do the inside of the hand. Make sure to get the wrist. |
| What are the primary components of the GSR? | - Lead -Barium -Antimony |
| How to establish Chain of Custody? | - Put it in the property receipt - Turn in to EIU |
| How to properly seal the evidence? | - Secure all opening sides with evidence tape and initial, date, and payroll on the seal. |
| What goes on the outermost package of evidence? | - Placard info - Description / Quantity - PR # - DC # - OFS # - Control # |
| Where and how many swabs for a gun? | 2 swabs Gun (1), magazine and live rounds (1) |
| What types of evidence we submit to EIU? | - Biological - Firearms evidence - Processed prints |
| How many days do we have to submit evidence? | 10 days except for firearms |
| How many days do we have to submit firearm evidence? | Same day as collection. |
| What do you do if an item of evidence was moved before your arrival? | Note the alleged original location and name of the person who allegedly moved it. |
| Types of Biological Evidence | Blood Hair Saliva Semen |
| Types of Firearm Evidence | - Ballistic Evidence - Simulated Weapons - Toolmark Examinations |
| Types of Latent Print Evidence | - Lift cards - Photos of latent prints |
| Where and how to temporarily store evidence? | Evidence locker and properly sealed |
| Types of searches | Ray Link Grid Spiral Zone Line |
| Line Search | Arranged interval in straight lines, best for large outdoor scenes |
| Grid Search | Double line search, best for large outdoor scenes |
| Spiral Search | Move from a critical point outward or outer edge inward, the scene most have not physical barriers |
| Zone Search | Teams search in small designated areas, most effective indoors |
| Link Search | Proceed through an area based on evidence association |
| Importance of Physical Evidence | Proves crime was committed Links suspects, victims and scenes Establish key elements of a crime Free the innocent |
| Wheel/ Ray Search | Start at critical point and travel outward along many straight lines |
| Types of Scene Documentation | Photographs Sketches Evidence Log Reports Videos Written Notes |
| 3 stages of Crime Scene Processing | 1) Scene Recognition 2) Scene Documentation 3) Evidence Collection |