Telephone call-detail or billing records typically contain metadata such as the phone numbers involved, date and time of calls, and call duration, but do not contain the audio content of those communications.
October 07, 2025
high
technical
Describes the typical contents and limits of telephone call-detail/billing records used in investigations.
Eyewitness identification is a common element used by investigators and prosecutors to attribute responsibility in vehicular crash cases.
October 07, 2025
high
procedural
Describes the role of eyewitness testimony in assigning causation or responsibility in crash investigations.
Investigators frequently use security camera and surveillance footage to develop leads in criminal investigations.
high
procedural
Surveillance video is a common source of investigative leads.