Ch. 9 Flashcards
______ homicides usually involve the claim of self defense, where it can be proven that deadly force was necessary to avoid death or great bodily injury to the person or a third party.
Justified
_____ homicides usually involve accidents where either (1) victims are responsible for their own death or (2) a person is killed under legal and unavoidable circumstances.
Excusable
Classifying Homicides
The following six categories of Homicide are outlined by the FBI, constructed by Hazelwood and Douglas:
- Single Homicide
- Double Homicide
- Triple Homicide
- Mass Murder
- Spree Murder
- Serial Murder
One of the earliest indications of immediate death, although viewed as unreliable in all cases, is _____ ____. It can appear as little as an hour after death, but is usually fully present within __ hours.
Corneal Clouding
3
The color of the lividity can also be useful in determining the approximate time of death. Shortly after death, lividity begins to develop as faint ___ blotches. Several hours later, these change into readily observable solid ___ patterns, which gradually turn _____ approximately __ hours following death.
Pink
Red
Purple
12
Algor Morris
Studies show that , on average, a dead body cools __ to __ degrees per hour if the ambient temperature of the crime scene is between 70 and 75 degrees Fahrenheit. Thus, a body with a living temperature of 98.6 Fahrenheit fully cools to the ambient temperature of its surroundings in approximately 12 hours.
1.5, 2
Decomposed Bodies
External decomposition of the body’s soft tissue, referred to as putrefaction, begins approximately ___ hours after death. In ___ to ___ hours, the body begins to show outward signs of bloating, especially in areas of the body where the skin is loose. At ___ hours the entire body will shows signs of decomposition and emit a very strong odor often described as similar to rotting meat.
36
36-48
72
Within 4-10 days, the body will appear fully bloated- sometimes appearing twice it’s original size. After 10 days ____ ________ takes place, which is best characterized as the body melting down.
Black Putrefaction
Multiple Shots
If victims were alive at the time a bullet wound was incurred, _____ stippling/tattooing will appear around the wound. Victims who are already dead when they are shot will likely exhibit ______ or ___ stippling/tattooing around the bullet entry wound.
Reddish
Yellowish, gray
Approximately __% of suicides are committed by revolvers, __% by semiautomatic pistols, and __% by rifles and shotguns.
50
20
30
Death by asphyxiation can come about in numerous ways, but all of these can be classified into three categories :
Suffocation
Chemical asphyxiation
Strangulation
Strangulation
There are three sub classifications of asphyxiation by strangulation:
Manual
Ligature
Hanging
Asphyxiation by suffocation can be broken down into three subcategories:
Smothering
Choking
Drowning
Unconscious victims released from a strangle hold generally regain consciousness in 10 seconds as well; however, if pressure from strangulation continues, the victim usually dies within __ to __ minutes after losing consciousness.
4,5
One type of serial killer involves a killer who murders repeatedly in a spontaneous, blitz-style manner-referee to as a ______ serial killer.
Visionary
