CJ210 Final Exam Review

  • Investigations are a combination of ART and SCIENCE

  • Investigate is derived from Latin vestigare which means TO TRACK OR TRACE

  • Deductive reasoning is USING LOGIC TO FOLLOW FACTS and IT WAS NOT CREATED BY SHERLOCK HOLMES it is AN ACTUAL PHILOSOPHY

  • When you arrive on a scene the first priority is SECURING LIFE SAFETY

  • Anything that touches something else leaves something behind according to LOCARDS PRINCIPLE

  • The case of MIRANDA v. ARIZONA requires people to be read their rights

  • The most vital thing in an investigation is NOTES/DOCUMENTATION

  • Around SEVENTY PERCENT of an investigators job is paperwork

  • Notes need to be COMPLETE and ACCURATE and FACTUAL and should ALWAYS BE KEPT

  • Most modern investigators TAKE PHOTOS WITH CELL PHONES

  • Photography is done from LONG RANGE to MEDIUM RANGE to SHORT RANGE

  • The tracking of evidence through people's hands at all times is CHAIN OF CUSTODY

  • CAD is COMPUTER AIDED DISPATCH

  • Initial crime scene sketches ARE USEFUL

  • LEICA cameras provides a measurable 360° model of a scene

  • The case report is ready by A JUDGE, A JURY, OTHER INVESTIGATORS, YOURSELF, A PROSECUTOR, A DA

  • Case reports ARE IMPORTANT to an investigation

  • ORGANIZATION IS IMPORTANT to a case report

  • Case reports need to be written in a FIRST PERSON ACTIVE VOICE in the PAST TENSE

  • Most crimes are reported FROM A CITIZEN

  • Preliminary investigation involves SECURING A CRIME SCENE THEN COLLECTING EVIDENCE THEN WRITING A REPORT after life and safety have been ensured

  • DETECTIVES are typically assigned for follow up investigation

  • A search is GOVERNMENT INFRINGEMENT on EXPECTATION OF PRIVACY

  • Search and Seizure is covered by the FOURTH AMENDMENT which balances INDIVIDUAL LIBERTIES/FREEDOMS against SOCIETIES INTERESTS

  • If a search is done incorrectly it is UNREASONABLE and falls under the EXCLUSIONARY RULE which PREVENTS EVIDENCE OBTAINED ILLEGALLY FROM BEING USED

  • PLAIN VIEW and EXIGENT CIRCUMSTANCES and INCIDENT TO ARREST and CONSENT don’t require a search warrant

  • PLAIN VIEW does not require a warrant

  • TERRY SEARCH doesn’t require a search warrant if someone seems armed based on Terry v. Ohio

  • A JUDGE OR MAGISTRATE must sign a search warrant

  • EXIGENT CIRCUMSTANCES do not require WARRANTS like when it sounds like people are dying at a house and someone is screaming for help

  • A search warrant requires YOUR INFO and VIOLATIONS and SUMMARY OF THE INVESTIGATION and STATEMENT OF PROBABLE CAUSE and FACTS OF AN INVESTIGATION

  • REPORTS and WITNESSES and SUSPECTS are the PRIMARY SOURCES OF INFORMATION IN AN INVESTIGATION

  • Interrogations SHOULD BE RECORDED

  • Miranda needs to be read FOR AN INTERROGATION and when a suspect is IN CUSTODY

  • Investigators CAN LIE

  • Lie detectors are NOT ADMISSIBLE IN COURT

  • A good case report wraps everything up and supports decision based on the addressing of ELEMENTS OF A CRIME

  • Eyewitnesses are NOT ALWAYS ACCURATE

  • An arrest is made when they are DEPRIVED OF THEIR FREEDOM by a LEGAL AUTHORITY

  • Investigative units are usually a SEPARATE PART and have a HIGHER REPUTATION and somewhat SURROUNDED BY MYTH

  • Aerial means FLIGHT

  • DRONES greatly help surveillance

  • Electronic surveillance was covered in KATZ v. UNITED STATES

  • You should be ACCURATE WHEN YOU MEASURE THINGS IN AN INVESTIGATION

  • Dogs are a FORCE MULTIPLIER when it comes to searches

  • After serving a search warrant you have to leave a RECEIPT BEHIND

  • Lots of questions on search warrant stuff and fourth amendment stuff