PHYSICAL EVIDENCE MANUAL - Crime Scene Investigator Network

TABLE OF CONTENTS
1.0 PREFACE....................................................................................................1-1
2.0 FORENSIC SERVICES DIVISION MISSION STATEMENT........................2-1
INTRODUCTION ........................................................................................................................... 2-1
3.0 LABORATORY LOCATIONS AND SERVICES..........................................3-1
4.0 GENERAL EVIDENCE HANDLING ............................................................4-4
GENERAL EVIDENCE GUIDELINES................................................................................................ 4-4
EVIDENCE COLLECTION .............................................................................................................. 4-4
Packaging ............................................................................................................................ 4-4
Sealing ................................................................................................................................. 4-6
CHAIN OF CUSTODY.................................................................................................................... 4-7
SUBMISSION OF EVIDENCE TO YOUR FORENSIC LABORATORY ...................................................... 4-7
DELIVERY TO LABORATORY ........................................................................................................ 4-7
FORENSIC SERVICES REQUEST FORM ......................................................................................... 4-8
Rushes................................................................................................................................. 4-9
Laboratory Reports ..............................................................................................................4-9
FORENSIC LABORATORY EVALUATION FORM ............................................................................... 4-9
5.0 ARSON AND FIRE DEBRIS EVIDENCE ....................................................5-1
ARSON SCENE INDICATORS ........................................................................................................ 5-1
EVIDENCE TO COLLECT .............................................................................................................. 5-1
PACKAGING OF EVIDENCE........................................................................................................... 5-2
6.0 BIOLOGICAL EVIDENCE ...........................................................................6-1
SAFETY AND CONTAMINATION PREVENTION ................................................................................. 6-2
GENERAL COLLECTION GUIDELINES............................................................................................ 6-2
UV Light Searches...............................................................................................................6-2
BLOOD EVIDENCE....................................................................................................................... 6-3
Collecting Liquid or Moist Blood – Large Quantity............................................................... 6-3
Collecting Liquid or Moist Blood – Small Quantity............................................................... 6-3
Collecting Dried Blood ......................................................................................................... 6-3
SALIVA EVIDENCE....................................................................................................................... 6-4
Collecting Saliva Evidence .................................................................................................. 6-4
SEMEN EVIDENCE....................................................................................................................... 6-5
Collecting Semen Evidence................................................................................................. 6-5
SEXUAL ASSAULT FORENSIC EXAMINATION (SAFE) KITS ............................................................ 6-5
PENILE SWABBING EVIDENCE KITS ............................................................................................. 6-6
STANDARDS ............................................................................................................................... 6-6
Blood Standards .................................................................................................................. 6-6
Oral Swab Standards........................................................................................................... 6-6
Human Remains .................................................................................................................. 6-6
TOUCH EVIDENCE....................................................................................................................... 6-7
7.0 CONTROLLED SUBSTANCES ..................................................................7-1
ANALYSIS OF CONTROLLED SUBSTANCES ................................................................................... 7-1
SUBMISSION POLICIES ................................................................................................................ 7-1
COLLECTION AND PACKAGING..................................................................................................... 7-2