The Zodiac Killer Crossword

What kind of case is the Zodiac Killer case?
What class evidence was used in this case?
Someone who kills multiple people with a "cooldown period" between the murders.
What weapon was used in the first confirmed killing?
What is a specific method of doing something, especially one that is characteristic or well-established? (AKA MO)
Where was the Zodiac's first confirmed killing?
How many letters did they send to newspapers?
What was the Zodiac's favorite cereal?
What kind of evidence is grouped with a specific group of people, NOT an individual?
What is the act of developing a psychological profile of an offender based on the state of the crime scene.
What is a postmortem examination to discover the cause of death?
A woman who has lost her spouse by death and has not remarried.
A person who commits a planned crime, in a premeditated manner, leaving few to no clues.
Evidence that can be related to an individual source.
A criminal investigative methodology that analyzes the locations of a connected series of crimes to determine the most probable area of offender residence.