Criminal Inv-Chapter 7, Interviewing and Interrogations Flashcards
interview
person to person conversation for purpose of obtaining info about crime or its circumstances
interview at crime scene designed to
elicit complete and accurate information . These types of interviews are nonstructured. Follow up interviews are more structured and designed to address specific areas of concern
what percentage of interviews are informal and take place outside of an office setting
80 percent
reverse transference or retroactive interference
when witness overhears other witnesses discussing their observations and then takes on some, if not all, of the info as his own
rapport
developing harmonious relationship with another person.
interview of witness- four steps process
- basic open-ended questions- what happened, what did you see or hear. NO NOTE taking.(distraction)
- witness repeat story. Now take notes. Address competency or credibility of witness
- interviewer going over his notes with witness. Ensures accurate records of what witness said
- thanking witness for cooperating-
most people speak at a speed of how many word a minute
125 wordss
what percentage of our conversation with one another is nonverbal
65 percent
traditional methods of detecting deception during an interview succeed only ____percent of time
50 percent
detecting deception is based on 4 critical domains
comfort/discomfort, emphasis, synchrony and perception management
Comfort/discomfort
person level of comfort or discomfort is one of most important clues interviewers should focus on. ex. jiggling their feet, fidgeting, perspiration, breathing increase, rubbing the forehead, neck
emphasis
to emphasize points, normally people incorporate various parts of their body. Liars, for most part, do not emphasize with nonverbals.
synchrony
certain amount of harmony occurs in speech patterns, sitting style, general expressions. ex. I did not do it, while nodding their heads up and down, as if to say Yes, I did it.
perception management
try to influence their intended targets of deception with verbal and nonverbal behavior designed t demonstrate the implausibility of their invovlement. ex: I could never hurt someone, Lying is beneath me. These are intended to influence the perception of the interviewer
Neurolinguistic eye movement
direct link between brain activity and eye movement. This linkage useful in detecting deception. 90 percent of popu will move eyes left when recalling something they actually experienced. Same individuals will move eyes right when they are creating something in mind. 10 percent of pop are typically left-handed who simply reverse the movement.
polygraphs three components
pneumograph- records respiration
galvanotgraph- records electrodermal response
cardiograph- records changes in pulse and blood pressure