ballistic 03-1324

36問 • 1年前

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The skin is to be depressed and as the bullet lacerated the skin, the depressed portion will be scrapped. Seen at the entrance of the wounds margin due to rough surface of the bullet.

ABRASION COLLAR

These are seen at the entrance of the wounds margin due to pressure

CONTUSION COLLAR

4 types of DESTRUCTIVE MECHANISMS IN A GUNSHOT

1. Laceration and cavitation 2. Fragmentation of bullet 3. Fragmentation of the bones 4: Muzzle blast

less than 1 cm fram surface of body

LOOSE CONTACT/ NEAR FIRE

CHARACTERISTICS OF LOOSE CONTACT

a.Large circular or oval b. Abrasion collar/ ring distinct c. With smudging tattooing, burning of skin and hair d. Distinct muzde imprint e. Pinkish discoloration f. Edges of wound entrance averted

1-15 cm. dustance

SHORT RANGE

CHARACTERISTICS OF SHORT RANGE

a. Edges of wound entrance is inverted b. Burning maybe present c. Smudging present The d. Tattooing present e. Abrasion collar

fix more than 15 cm but less than 60 cm

MEDIUM RANGE

CHARACTERISTICS OF MEDIUM RANGE

a. Wound edges inverted b.Burning effects present c. Smudging present d. Tattooing present e. Abrasion collar present

more than 60 cm

LONG RANGE

CHARACTERISTICS OF LING RANGE

a Wound is circular or oval b. Abrasion collar present C. Contact ring present d. Inverted wound edges

It deals with the attributes and properties of shots and pellets. When a shot shell is fired from a shotgun, the pellets leave the barrel and begin spread or scatter. The farther the pellets travel, the greater the spread or shot pattern

SHOT BALLISTICS

The degree of narrowing at the muzzle end of the shotgun barrel

CHOKE

The shot spread pellets after it hits the non-moving object.

SHOT PATTERN

It is determined by a constriction or narrowing at the muzzle called choke

SHOT SPREAD

APPEARANCE OF GUNSHOT WOUND DEPENDS ON THE FOLLOWING:

1. Caliber of firearm 2. Direction of fire 3. Shape and type of missile 4. Range/distance of fire 5. Type of firearm 6.Part of the body involve

CHARACTERISTICS OF EXIT WOUND

1. Always bigger than the missile, 2 .Edges are averted. 3. It does not manifest any definite shape 4. "Contusion collar" is absent. 5. Tattooing or Smudging is always absent. 6. Underlying tissues maybe seen protruding from the wound. 7. May be absent, it missile is lodged in the body. 8. Paraffin test always negative. 9. Wound edges are indistinct

CHARACTERISTICS OF HOMICIDAL GUNSHOT WOUND

1. SITE OF ENTRANCE WOUNDS AT RANDOM 2. GUNSHOT USUALLY DISTANCE FIRE 3. SIGNS OF STRUGGLE IS POSITIVE 4. WOUNDING FIREARM NOT USUALLY FOUND 5. TESTIMONY OF WITNESS

EVIDENCE SHOW THE GUNSHOT WOUND IS ACCIDENTAL

1. USUALLY SINGLE SHOT 2. NO SPECIAL/ PREFFERED SITE OF WOUNDS 3. TESTIMONY OF ASSAILANT VICTIM 4. TESTIMONIAL OF OTHER WITNESSES

within few centimeter for surface -large central defect who stippling or tattooing

NEAR DISCHARGE

circular with margins -scorching, tattooing and smudging are all absent

NETRY WOUND DISTANT SHOT

an open wound produced by the penetration of bullet slug within the tissues of the body

GUN SHOT WOUND

defend on the angulation of the body to barrel

LARGE CIRCULAR OR OVAL

sludge in the body/ dangerous effect on the body

SOUVENIR BULLET

is ladge specific plate on spot within the body it can't be find

BULLET MIGRATION

is one type of migration specially the bullet sludge on the chamber of large blood vessels

BULLET EMBOLISM

two or more bullet leaves from the barrel it cause of misfiring

TANDEM BULLET

expanding bullet/ bubuka lang pag nasa loob na

HALLOW POINT

bubuka Ang bullet pag nasa travel

DUMDUM BULLET

are a feature of contact wound to fire head where the thick bone under the skin resists the entry of gates

ATYPICAL ENTRANCE WOUND

PTHER CHARACTERISTICS OF LOOSE CONTACT

PINK COLORATION DIRT RING CONTUSION FOREIGN MATERIALS

it is which it cause by tower enter to bullet surface to barrel

FOREIGN MATERIALS

higher the caliber larger the entrance wound

CALIBER OF FIREARM

it is perpendicular the entrance wound is rounded if it is angular the entrance wound is oval

DIRECTION OF FIRE

loose contact fire the entrance is bigger if it long range the entrance wound is smaller

RANGE DISTANCE OF FIRE

two types of bullet

JACKETED BULLET LEAD BULLET

Cdi5

Adrian Balmes · 37問 · 2年前

Cdi5