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Questions and Answers
What is the primary purpose of using binoculars in surveillance?
What is the primary purpose of using binoculars in surveillance?
Which method is considered most effective for shadowing a subject?
Which method is considered most effective for shadowing a subject?
What is crucial to include in a chronological log during surveillance?
What is crucial to include in a chronological log during surveillance?
What distinguishes a rough sketch from a smooth sketch in crime scene documentation?
What distinguishes a rough sketch from a smooth sketch in crime scene documentation?
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What method divides a search area into smaller quadrants for searching?
What method divides a search area into smaller quadrants for searching?
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Which method of shadowing is least likely to yield effective results?
Which method of shadowing is least likely to yield effective results?
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In the strip searching method, what should a searcher do upon finding evidence?
In the strip searching method, what should a searcher do upon finding evidence?
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What is the primary benefit of the ABC method in shadowing?
What is the primary benefit of the ABC method in shadowing?
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What is a primary condition that justifies an arrest under the Doctrine of Hot Pursuit?
What is a primary condition that justifies an arrest under the Doctrine of Hot Pursuit?
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When is a police officer allowed to arrest someone without a warrant due to an escapee status?
When is a police officer allowed to arrest someone without a warrant due to an escapee status?
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What legal principle allows a person to be arrested without a warrant when they consent to the arrest?
What legal principle allows a person to be arrested without a warrant when they consent to the arrest?
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What conditions warrant detention of an accused released on bail attempting to leave the country?
What conditions warrant detention of an accused released on bail attempting to leave the country?
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Which condition allows law enforcement to conduct an arrest without a warrant related to a mental health issue?
Which condition allows law enforcement to conduct an arrest without a warrant related to a mental health issue?
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What does the term 'surveillant' refer to in the context of surveillance?
What does the term 'surveillant' refer to in the context of surveillance?
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What is an important factor when planning surveillance of a place?
What is an important factor when planning surveillance of a place?
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Which method is NOT valid for conducting surveillance of a place?
Which method is NOT valid for conducting surveillance of a place?
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What does the term 'modus operandi' refer to in criminal investigations?
What does the term 'modus operandi' refer to in criminal investigations?
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How can modus operandi help in criminal investigations?
How can modus operandi help in criminal investigations?
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Which characteristic is NOT true about modus operandi?
Which characteristic is NOT true about modus operandi?
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What is a common purpose of identifying a criminal's modus operandi?
What is a common purpose of identifying a criminal's modus operandi?
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Which of the following best illustrates the concept of modus operandi in a criminal context?
Which of the following best illustrates the concept of modus operandi in a criminal context?
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Why is it important for law enforcement to track changes in a criminal's modus operandi?
Why is it important for law enforcement to track changes in a criminal's modus operandi?
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What could be a potential reason for a criminal to change their modus operandi?
What could be a potential reason for a criminal to change their modus operandi?
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Which category of evidence would best assist in establishing a criminal's modus operandi?
Which category of evidence would best assist in establishing a criminal's modus operandi?
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Study Notes
Surveillance
- Surveillance is the act of observing a person or place.
- There are multiple methods of surveillance including tailing, shadowing, and undercover investigations.
- Different types of surveillance are used depending on the situation, including the number of surveillants, the volume of pedestrian traffic, and the importance of concealing the surveillance operation.
- Common methods of surveillance:
- One-man method: Difficult and should be avoided if possible.
- Two-man method: Two agents follow the subject.
- ABC method: Reduces the risk of losing the subject and increases security for the surveillant.
- Progressive or Leap-frog method: Stations agents at fixed points, assuming the subject follows the same route each day.
- Combined Foot-Auto surveillance: Use agents on foot and in vehicles.
- Plant: Observation point set up in a location that appears to be normal for observation of persons or places.
Crime Scene Sketching
- Rough Sketches: Drawn at the crime scene freehand and not to scale. Include accurate distances, dimensions, and relative proportions. No changes should be made to rough sketches after the sketcher leaves the scene.
- Smooth or Finish Sketch: A finished sketch, often drawn to scale from the information in the rough sketch. Distances are not necessary if the sketch is drawn to scale.
Searching Methods
- Quadrant or zone method: Each quadrant is subdivided into smaller quadrants, and one person is assigned to search each quadrant.
- Strip method: The area is divided into rectangular strips. Searchers proceed slowly along paths parallel to one side of the rectangle. Searches are paused when evidence is found to allow for proper handling and documentation.
Warrantless Arrests
- Warrantless arrests are permitted in certain circumstances.
- Hot pursuit or fresh pursuit: When an offense has just been committed and the officer has probable cause to believe the person committed the offense.
- Escapee: When the person to be arrested has escaped from a penal establishment or place of confinement.
- Waiver of Rights: When the person consents to the arrest.
- Accused released on bail attempts to depart from Philippines without permission: If an accused is released on bail and attempts to leave the Philippines without permission from the court, they can be arrested without a warrant.
- Violent Insanity: When a person is exhibiting violent, unpredictable behavior that presents a threat to themselves or others, a warrantless arrest may be permissible.
- Ailment requiring operating procedure (SOP) of arrest without Warrant: An arrest can be made without a warrant if the person's illness requires immediate action according to established procedures determined by the police department.
Surveillance Terminology
- Surveillant: The person who maintains the surveillance or performs the observation.
- Subject: The person or place being watched or surveyed.
Kinds of Surveillance
- Surveillance of places: Observation of a specific location for criminal activity.
- Tailing or shadowing: Following a person discreetly.
- Undercover investigation or roping: Infiltrating a criminal organization or activity.
Identifying Criminals
- Known Criminals: Criminals who have been identified by the police.
- Unknown Criminals: Criminals who have not been identified by the police.
Methods of Identification
- Verbal Description: A witness providing a verbal description of a suspect.
- Photographic Files (Rogues Gallery): Comparing a suspect's photograph to photographs of known criminals.
- General Photograph: Using general photographs to assist witnesses in identifying a suspect.
Circumstantial Evidence
- Motive: The reason or incentive for committing a crime.
- Intent: The objective or purpose of the criminal act.
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Opportunity: The physical possibility for the suspect to have committed the crime, including:
- Being present at the crime scene at the time of the crime.
- Having knowledge of the criminal objective.
- Lack of an alibi.
Physical Evidence
- Corpus Delicti: The "body of the crime," consisting of the essential elements proving the specific crime was committed.
- Associative evidence: Pieces of evidence that link the suspect to the crime scene.
- Tracing evidence: Articles that aid the investigator in locating the criminal, such as stolen goods.
Modus Operandi
- The method of operation used by a specific criminal or criminal syndicate.
- Established by a series of crimes under one classification.
- Each criminal will have a distinct modus operandi which differs from others, making it a criminal trademark.
Locating Criminals
- Informant: Someone who gives information to the police about criminal activity.
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Types of Informants:
- Anonymous: Remain unidentified.
- Rival elimination: Provide information to eliminate competitors.
- False: Provide information of little or no value.
- Frightened: Motivated by anxiety or fear.
- Self-aggrandizing: Seek to increase their own importance.
- Mercenary: Give information for money or other rewards.
- Double crosser: Provide false information to manipulate the police.
- Woman informant: Female associate of criminals.
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Description
Test your knowledge on various surveillance methods and techniques used in investigations. This quiz covers different approaches such as the one-man and two-man methods, along with more advanced tactics like the ABC and progressive methods. Assess your understanding of how surveillance is adapted based on situational needs.