Section 8.3 Flashcards
Lots of different poisons that cause what?
Asphyxia
Poison that was used a lot in WW1
mustard gas
People who have sexual problems could die of what?
Autoerotic asphyxiation
Example, half empty bottle of some chemical is found they can add it to the list and check to determine what it is. This refers to what?
Toxicology
Process of testing the blood or other bodily fluids is called what?
toxicology
Not just used for dead people but also used for DUI and the BAC.
toxicology
Example, person died in the fire. It could have been a murder. Arson is something that should be looked for. You can also look at their lungs when someone dies in a fire they die of what?
asphyxiation because of too much carbon dioxide
It is difficult to burn to death. True or False
True
Carbon monoxide in the blood has to do with what?
burning
Explosives, electrocution, lighting
very rare to have a murder victim
Terrorist bombings.
okay
Explosives, electrocutions, lighting are almost always what?
accidental
______ can be hard to separate out from poison because drug dealers do what is called ______.
drugs
cutting
______ drugs are the most common drug problem.
legal
______ is where you get a drug and add some white power to it to increase the volume but sell it for the same price.
Cutting
Most of the time drug deaths are accidental. True or false
True
Almost an infinite number of what ?
drugs
People die in car crashes all the time. Also, getting hit by a car as a pedestrian or a bike. Paint and tire marks are good for evidence that needs to be gathered. As well as a blood sample to determine BAC.
Vehicle deaths
Easiest way but never 100% is to look at who had ______and who wanted that person dead.
motive
Example, wife suddenly dies, and we have had public fights you are going to be the prime suspect. Look who has ______ to kill that person. Example, financial motive with life insurance. Business partner who inherits business or has control when they die.
motive
Motive does not really help much in ______ and ______ murder.
mass
multiple
____ _______ means killing all at once.
mass murder
Oklahoma city murder and 9/11
mass murder
One by one killings
multiple murder
Murders over a long period of time
multiple murder
Tennessee tower.
multiple murder
weird sex combined with murder
lust murder
Victims are sometimes someone the murderer knows or sometimes random.
Lust murder
Difficult to investigate because they are random people and have no connection to them and makes investigating them harder.
lust murders
Example, killing wife the odds of getting caught are high. Killing someone random on the street is a lot harder to get tracked down. Lust murder. True or False
True
_____ has one of the highest clearance rates of any kind.
murder
________ ______ means police are pretty sure they know who it was. Either because someone has been arrested for the crime or because of some other reason.
clearance rate
As the crime rate overall has been plummeting the _______ clearance is still going down not nearly as steep,, but it is going down and that is because there is an increase in the types of cases that are harder to solve.
murder
Murder clearance rate decline because of
stranger homicides, gang homicides, backlogged labbs.
True
Higher clearance rates especially in murder cases.
Initial response
The _____ the arrival after the murder happens the better.
quicker
If they can secure the scene very quickly it can help with what ?
clearance rate
detailed notes
follow up
3-4 detectives
detective actions
With all witness and all leads that increases the clearance rate by doing what ?
follow up
The more detectives the higher the clearance rate. True or False
True
Instead of looking at the report go and talk to the?
medical interviews
___ ______ willing to work that also increases the rate of homicide clearance. You cannot make someone come forward and be a _______.
Confidential Informant
If mistakes are made the clearance is lower. True or False
True
Meaning we let other officers trample through and do not take the right kind of pictures.
Improper response to scene
Either witnesses or suspects get away. Other people walk around or modify or take evidence and leave things behind. This refers to what?
failure to secure the scene
If you just say that was an accident or suicide and later find out it was a homicides.
Not handling deaths as homicides
Oh this is the kind of crime or not a crime. Example, you go into a poor person’s house in a bad neighborhood and say that it was a drug deal gone bad and you keep that in your head and ignore other evidence.
Preconceived notions
Once you clear that scene the photos you have are the only record of how things looked and what position they were in. If not you failed to
take sufficient photos
If you do not keep ___ ___ ____exactly correct the evidence cannot be used in court.
chain of custody/ documentation
Who is the victim? where do they work? enemies? religious? boyfriend or girlfriend? If you do not answer these you have failed to
evaluate victimology
Go around the neighborhood and ask questions about what people saw. If you do not do this you failed to
canvas
A lot of people working on the case and you do not work together it will drive down the clearance rate. This is known as what?
failure to work together
Micromanaging by those above
command interference
Cases that investigator are no longer investigating.
cold case
There is never a statue of limitations on what?
murder
Cases can go cold for many reasons. Witnesses may no linger be afraid to talk. True or False
true
Technology continues to improve. DNA is more accurate. Cold cases you need to conduct a what’?
physical evidence re-examination
A lot of cold case squads are staffed by volunteers. Retired homicide investigators. true or False
True
