ByBy

Layla Walters Layla Walters

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Eddy Murillo Eddy Murillo

Mrs. Rogers was discovered dead by a neighbor Mrs. Rogers was discovered dead by a neighbor while husband was on business trip. (shot 5 times)while husband was on business trip. (shot 5 times)

Body found clothed in bathroom covered with towelBody found clothed in bathroom covered with towel Items Missing from home:Items Missing from home:

42” large TV42” large TV Late model AudiLate model Audi

Found at scene (victim’s house):Found at scene (victim’s house): Blood spatter found at other end of main hall near cabinet, Blood spatter found at other end of main hall near cabinet,

along with a bloody cloth underneath cabinetalong with a bloody cloth underneath cabinet Several .22 caliber cartridges found in hall areaSeveral .22 caliber cartridges found in hall area Firing pin mark on cartridges was round oblongFiring pin mark on cartridges was round oblong Tire impressions of a larger or heavy duty vehicleTire impressions of a larger or heavy duty vehicle

Items found in Mr. Smith’s (suspect) homeItems found in Mr. Smith’s (suspect) home Several large TV, one matching description of stolen itemSeveral large TV, one matching description of stolen item A full size Lincoln Escalade in the drivewayA full size Lincoln Escalade in the driveway

BlanketBlanket Surgical glovesSurgical gloves

Tire impressions similar to Audi found near garageTire impressions similar to Audi found near garage Surgical gloves were found in homeSurgical gloves were found in home

Victims AudiVictims Audi Found 2 miles from suspect’s homeFound 2 miles from suspect’s home A cassette found in back seat of carA cassette found in back seat of car Wash cloth found outside carWash cloth found outside car

Legal presence:Legal presence: Called to scene by neighborCalled to scene by neighbor A search warrant was issued to search suspect’s A search warrant was issued to search suspect’s

home & vehicleshome & vehicles SecuritySecurity

Secured scene with manpower and CS tapeSecured scene with manpower and CS tape Extra officers need to secure both scene & suspect’s Extra officers need to secure both scene & suspect’s

homehome Interview 1Interview 1stst officer officer

Interviewed neighbor who found bodyInterviewed neighbor who found body Interviewed 1Interviewed 1stst officer on scene officer on scene

Initial Survey:Initial Survey: Determined to be a homicide Determined to be a homicide Note all existing conditions Note all existing conditions

/ , , , Lights on off temperature settings disturbed dust items out / , , , Lights on off temperature settings disturbed dust items out , - / / , of place windows doors opened closed or locked unlocked , - / / , of place windows doors opened closed or locked unlocked

.scent.scent

Working Route:Working Route: ’ ( , Start from the outside of victim s home driveway lawn ’ ( , Start from the outside of victim s home driveway lawn

)area)area , Move indoors starting from front to rear downstairs , Move indoors starting from front to rear downstairs

, . rooms moving to front to rear upstairs rooms, . rooms moving to front to rear upstairs rooms

Measurement Method used was TriangulationMeasurement Method used was Triangulation Packaging of evidencePackaging of evidence

IAW Evidence Handling GuideIAW Evidence Handling Guide Packaged separately in proper container and sealed w/ tapePackaged separately in proper container and sealed w/ tape

Labeling of evidenceLabeling of evidence IAW Evidence Handling GuideIAW Evidence Handling Guide

Case #, Item #, Name of Collector, DateCase #, Item #, Name of Collector, Date

Submission to LaboratorySubmission to Laboratory Submit immediatelySubmit immediately

Fresh eyes / Second search Use of fresh person to ensure we did not miss anything. Check ceilings and all walls

Measure furniture and broad surfaces

Fingerprinting of broad surfaces

Protect/Seal/Secure Scene if need to return

Blood Spatter Blood Spatter Position of victim receiving fatal impact Position of victim receiving fatal impact Establish events in order of occurrenceEstablish events in order of occurrence Corroborate or refute statements by suspectCorroborate or refute statements by suspect Determine events after actions that created spatterDetermine events after actions that created spatter

Cartridge Case Cartridge Case May identify type of firearmMay identify type of firearm May identify brand of firearmMay identify brand of firearm May identify caliberMay identify caliber

BulletBullet Striae comparison can identify a particular firearmStriae comparison can identify a particular firearm

Tire impression Tire impression Can identify a brandCan identify a brand Unique wear or marks can identify a specific tireUnique wear or marks can identify a specific tire

Fingerprints of the suspect in victim’s houseFingerprints of the suspect in victim’s house

Blood of victim found in suspects houseBlood of victim found in suspects house

Other tire impressions found at victim’s houseOther tire impressions found at victim’s house

Evidence Handling and Laboratory Capabilities Guide (Feb Evidence Handling and Laboratory Capabilities Guide (Feb 2010)2010)

Fisher, Barry A.J. Fisher, Barry A.J. Techniques of Crime Scene Investigation.Techniques of Crime Scene Investigation. Boca Raton: CRC Press, 7Boca Raton: CRC Press, 7thth Ed. 2004. Ed. 2004.