mid term Flashcards
Must have murdered at least 3 people at three separate occasions, involving a cooling off period.
Serial Killers
Must have murdered three people at one time without a cooling-
off period.
Mass Murderer
a serial killer who kills because he/she
enjoys the power dynamic and wants to feel powerful over his/her victims.
Power/control or hedonistic serial killer
a serial killer who kills because it is fun and enjoy the
rush of taking someone’s life.
Thrill-seeking serial killer
possessions from the victim of the serial killer which reminds the killer
of what he/she did.
Trophies
is what a person perceives with his/her five senses.
observation
Level of interest, stress, and concentration can affect
eyewitness accounts
True or False: Eyewitness testimonies are always reliable.
False
True or False: A ransom note is considered a piece of physical evidence.
True
True or False: Blood is considered a piece of biological evidence.
True
It is essential ____________ to present credible evidence to
the court and to ensure that evidence was not tampered with.
to maintain a chain of custody log
To prevent witnesses from collaborating an alibi and to prevent the formation of
faulty memories that would weaken eyewitness accounts, witnesses at the crime
scene must be________________________________
separated
Staging a suicide to cover up a murder is considered a
______________________.
staging a crime
A scientific lab where evidence is processed to reveal facts about a crime is called a ______________________.
forensic lab
_____________________________ refers to indicate that a
patient was found to be already clinically dead upon arrival of professional
medical assistance, including first responders.
Dead on arrival (DOA)
The actual physiological change that causes life to end (for example, a bleeding
to death or sepsis) is called ______________________________ of death.
Mechanism of Death
A person dying in a car accident is considered an _____________ death (it’s one of the four manners of death).
accidental
_________________________ : The surgical procedure that consists of a
thorough examination of a corpse by dissection to determine the cause, mode,
and manner of death.
Autopsy
______________________ : The stiffening and contraction of
muscles caused by chemical reactions in the cells after death.
Rigor Mortis
__________________________ : The purplish discoloration of
portions of the body that occur after death.
Liver Mortis
________________________________ are the three general distinctions
of fingerprints
Arch, Whorl, Loop
_______________________ : a type of fingerprint is not visible to
the naked eye and requires development through the use of powders or
chemicals to be made visible
Latent fingerprints
______________________________ : Matching ridge characteristics within identical fingerprints.
Points of similarity/points of id
True or False: Fingerprints are a relatively new technology.
False
True or False: Identical twins, not fraternal, will have the same fingerprints.
False
When the hair follicle was intact and nuclear DNA could be retrieved from it, then the sample of hair can provide ___________________.
individual evidence
Drug use, toxins, nutritional deficiencies, and other things found in hair can be
revealed through ____________________.
Chemical testing
____________ & _____________ : the two
basic structures that make up human hair.
Hair follicle, Hair shaft
___________________ : The ratio of the diameter of the
medulla to the diameter of the entire hair.
Medullary Index
_______________________ : the smallest individual unit of a textile.
Fiber
________________________ : the compound makes up all plant fibers
cellulose
