Kastle - Meyer test
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A mixture of phenolphthalein and hydrogen peroxide; the hemoglobin will
cause the formation of a deep pink color if blood is present
Rh factor
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May be present on red blood cells; positive if present and negative if not
, Type AB
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Antigen present: A and B
Agglutinates with antigen: None
Antibody: None
Gives blood to: AB
Can receive blood from: A, B, AB, O (universal recipient)
Wipe
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A non blood-bearing object moves through a wet bloodstain, altering the
appearance of the original stain
Ex: dragging an arm through blood on the table
What do you determine when there is an unknown blood stain at a crime scene?
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Determine blood type, alcohol content, drugs present
Determine the method (s) in which the blood may have been deposited
, Herbert L. MacDonell
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Father of modern bloodstain pattern analysis; the director of the Lab of
Forensic Science and is founder of the Bloodstain Evidence Institute (1973) in
Corning, NY. His book, Bloodstain Pattern Interpretation, helped to jump-start
this discipline. He has consulted on criminal cases in all 50 states, in addition to
testifying in the OJ Simpson trial and in the assassination cases of Kennedy and
MLK Jr.
Rh positive
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Has rhesus protein present in blood cells; can receive both positive and
negative blood
Low velocity
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5 ft/second or less
Ex: blood coming off of a shoe after you walk through a puddle of blood
Give this one a try later!
A mixture of phenolphthalein and hydrogen peroxide; the hemoglobin will
cause the formation of a deep pink color if blood is present
Rh factor
Give this one a try later!
May be present on red blood cells; positive if present and negative if not
, Type AB
list Give this one a try later!
Antigen present: A and B
Agglutinates with antigen: None
Antibody: None
Gives blood to: AB
Can receive blood from: A, B, AB, O (universal recipient)
Wipe
Give this one a try later!
A non blood-bearing object moves through a wet bloodstain, altering the
appearance of the original stain
Ex: dragging an arm through blood on the table
What do you determine when there is an unknown blood stain at a crime scene?
Give this one a try later!
Determine blood type, alcohol content, drugs present
Determine the method (s) in which the blood may have been deposited
, Herbert L. MacDonell
list Give this one a try later!
Father of modern bloodstain pattern analysis; the director of the Lab of
Forensic Science and is founder of the Bloodstain Evidence Institute (1973) in
Corning, NY. His book, Bloodstain Pattern Interpretation, helped to jump-start
this discipline. He has consulted on criminal cases in all 50 states, in addition to
testifying in the OJ Simpson trial and in the assassination cases of Kennedy and
MLK Jr.
Rh positive
Give this one a try later!
Has rhesus protein present in blood cells; can receive both positive and
negative blood
Low velocity
Give this one a try later!
5 ft/second or less
Ex: blood coming off of a shoe after you walk through a puddle of blood
