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Terms in this set (88)
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 devie,
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 Systems that are both covert and overt, they can
two systems that function this. 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 Physical - most complex
extraction 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 1. GPS - uses cellular
Tracking systems 2. RF/ Beacon - sends out signal via radio waves;
receives by device tuned to same frequency.
, Two types of GPS trackers systems 1. Memory trackers - records location data, must
are called 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.
Electronic Countermeasures Devices purchased by the bad guys to detect of
thwart electronic surveillance. Jammers, RF
detectors. Are illegal.
Why use Electronic Surveillance - enhances sight/sound
Equipment (ESE) - monitor/record in real-time
- preserves crime scene
- sources of irrefutable evidence
- safety
- Usually results in guilty pleas rather than trials
Purposes of ESE 1. gather evidence
2. protect UC's/Informants
3. Document crime as it happens
what is WTAG Wi-Fi Tools for Analysis and Geolocation - to locate
specific device. (child pornography, terrorism,
Human trafficking's cases).