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Types of electronic surveillance
1. Audio Surveillance
2. Video Surveillance
3. (Tracking) Electronic Surveillance
Define Electronic Surveillance
Use of electronic surveillance equipment to monitor/record events, can include
video or image capture.
2 types of audio intercepts devices
1. Recorder - just records audio primarily used for collecting evidence, but you
have to wait until the meet is over to recover the recording. Body worn, digital,
record time, audio quality.
2. Transmitter - transmits audio to another device, can also record. Officer safety
as they provide real-time transmission.
What is Audio Intercept
Consensual (one-party) not unlawful for a person acting under color of law to
intercept a wire, oral, or electronic communication.
define VIDEO SURVEILLANCE and two systems that function this.
,Systems that are both covert and overt, they can be fixed or mobile, wire or
wireless. most of the time uses internet / wifi.
IP- based video surveillance system, sometimes referred to as POLE CAM
In-Place CCTV systems - security systems.
Define surveillance
An continuous -ongoing process of monitoring people, place, or things in order to
gather intel about case
What are some traits of a surveillant
Tangible - psychological, good condition, eye sight
Intangible - patience, perseverance, adaptation
What is MEID
Mobile Equipment Identifier
What are some cellphone device extraction
Physical - most complex
Logical - LEO preferred
Manuel - lease complex
Define Electronic Tracking
, Ready availability and affordability of these systems allows LEO to efficiently,
accurately and safely track the movement of vehicles, packages or persons.
MUST NEED A WARRANT TO INSTALL
What are 2 types of Electronic Tracking systems
1. GPS - uses cellular
2. RF/ Beacon - sends out signal via radio waves; receives by device tuned to same
frequency.
Two types of GPS trackers systems are called
1. Memory trackers - records location data, must retrieve to access data.
- pros: cheap, simple to install, detailed list of movements.
- cons: can't view on-demand, have to wait for info. Lose the target, lost the
tracker.
2. Live trackers - Transmits location data.
- pros: real-time data via remote access, some can remotely control target vehicle.
- cons: pricely, need good cell coverage.
both types need search warrant.