LE Practice II and III Flashcards
K-9 is good for
searching - can’t replace police officer
Members of a jury (sometimes judge) can decide if a testimony is
credible
During field interview - pay attention to
body language
Sworn vs Unsworm Testimoy
<9 = unsworn testimony
unless judge believes person to understand nature of an oath
>9 = sworn testimony
must be of normal development and know difference between truth and lies
Don’t use leading questions unless
emergency doctrine
**“How did suspect leave the scene?” not leading because its obvious
Traffic enforcement because
reduce accidents > reduce serious accidents
property turned over to someone else - third party can consent to
search
latent prints difficult to find on
fabric such as wool
gas leaks DON’Ts
Dont
use radio
ring doorbell
use flashlight
turn on light switch
Gas leak DOs
First remove victim
ventilate
turn off gas
speed enforcement
straight and level
pacing for speed enforcement
at least 1/4 mile
MVA - safeguard scene to
protect investigators and public
MVA Don’t take photos in order to
support your own theory of accident
Spontaneous Utterance
3rd party can testify - hearsay exception
When testifying before trial
review reports and notes PRIOR to trial
hair evidence can determine
origin (human or animal)
chemically treated
where on the body
Bruises on the legs of a newly-mobile infant
does NOT necessarily indicate abuse
suspect has glass particles on his person
suspect stands on a sheet of paper and mark items that fall off
Shell casings recovered from scene, check to see
caliber of casings - if matches up to weapon on suspect
Glasw particles from a window might determine
which window glass came from
Trace evidence from upholstered chair - it is best to
take the whole chair
hairs and fibers can be photographed with a
microscope
bullet passes through window into wall - can determine
flight of bullet