Viewing conditions
viewing duration ?
how long the witness observed the perpetrator/event
Attention
Where the witness focus was directed at the time of the event
Intoxication
alcohol and drug impairment can affect encoding and recall
Disguise
any hats, masks, glasses, scars, tattoos, facial hair that can’t be recognized and can recall
Delay
The length of time elapsed between witnessing the crime and making an identification
Lighting
The Level of illumination available at crime scene. Was it dim, can’t see anything?
Stress
High stress that is experienced during high-stakes crime.
Cross-race identification
There is decreased accuracy when identifying individuals of a different racial group.
Familiarity
Has the victim seen or potentially know the perpetrator(s)
How far away the witness was from the culprit
Weapon focus
The tendency to lock attention onto a weapon instead of the perpetrators face.
Face Visibility
Anything obstructing the face? This can’t include masks, certain angles, clothing affecting clear sight.