CH 7 criminal intelligence and surveillance operations Flashcards
One of the most valuable (yet underused) resources of the police function is
criminal intelligence
plays a role in the investigation of crimes by providing the investigator with a tool for long range planning
strategic intelligence
targets criminal activity considered to be of immediate importance to the investigator
tactical intteligence
The most common types of intelligence are:
strategic and tactical
The intelligence function includes 4 phases which are:
Target selection, data collection, data collation and analysis, and dissemination
The process of comparing texts carefully to clarify or give meaning to information is:
data collation
In the _____ phase the whole intelligence process breaks down.
dissemination
charting a brief description of an event enclosed in a symbolic area such as a circle or rectangle
event flow analysis
Commodity flow analysis is a flowchart, that rather than descriptions of events being placed in a circle or rectangle, _______
people and businesses are used
Perhaps the most challenging task in criminal investigation is to keep a suspect under surveillance without ______________-
arousing his or her suspicions
In a stakeout, the outside team is normally designated as _______
the arrest team
In a stakeout, the inside team is _______
responsible for briefing the officers concerning their actions if a crime occurs
The Omnibus crime control and safe streets act mostly prohibits wiretaps but does allow officers to listen to electronic communications when 1 __________ 2 _______ 3______
- an officer is one of the parties involved in communications 2. one of the parties is not the officer but willingly decides to share the communication with the officer 3. officers obtain a warrant based on probable cause
_____ calculates the differences in time for a signal to travel from the cell phone to each of several cell towers near the owner of the phone.
multilateration
a charting technique designed to show relationships between individuals and organizations using a graphic visual design
link analysis