slc pages 19-29

Post-mortem interval

The time elapsed since a person has died.

Modus Operandi (MO)

The habitual method or way a particular criminal operates.

Signature

The unique personal expression or imprint a killer leaves at the crime scene.

Organized Offender

An offender who plans their crimes carefully and leaves little evidence.

Disorganized Offender

An offender who acts impulsively with little to no planning, leaving more evidence.

Toxicity

The level of harmful effects a substance can have, depending on dosage, duration, by-products, and type of exposure.

Chronic Poisoning

Long-term exposure to low doses of a substance.

Acute Poisoning

Short-term exposure to high doses of a substance.

Presumptive Testing

Initial tests that indicate the presence of a substance but do not confirm its identity.

Confirmatory Testing

Tests that definitively identify a substance.

Cyanide Poisoning

A poisoning that leads to rapid breathing, headache, and potentially death.

Carbon Monoxide Poisoning

A poisoning caused by inhaling carbon monoxide, leading to oxygen deprivation in the body.

Serial Killer

A person who commits a series of two or more murders.

Forensic Entomology

The study of insects in relation to criminal investigations, particularly to determine time of death.

M'Naghten Rules

Legal rules assessing a defendant's mental state during a crime to determine insanity.

Fungibility

The property of a substance whereby it is easily interchangeable with another unit.

Psychological Profiling

The assessment of a criminal's personality and behavior patterns, aiding in criminal investigations.

Drug Classification - Narcotics

Drugs that treat pain but can lead to dependence.

Drug Classification - Depressants

Drugs that slow down body functions and relieve anxiety.

Drug Classification - Stimulants

Drugs that increase energy and alertness.

Drug Classification - Hallucinogens

Drugs that impact perception and cause hallucinations.

Schedule I Drugs

Substances with no accepted medical use and a high potential for abuse.

Schedule II Drugs

Substances with a high potential for abuse, possibly leading to severe dependence.

Schedule III Drugs

Substances with moderate to low potential for dependence.

Colorimetric Testing

A method that produces a color change to indicate the presence of a specific substance.

Thin-Layer Chromatography (TLC)

A technique used to separate compounds based on their chemical properties.