Eyewitness testimony is very important in the court trials. It has been a subject of multiple research studies. Psychological studies find that eyewitness testimony is:

Psychological studies has show that eyewitness testimony is more  error prone (fallible) than one will suppose and may contain a lot of misinformation.

Explanation:

Eye witness testimony is simply defined as when one stands as a witness in court, police station and others as a witness to a crime that has occurred and he/she is called upon to give his/her account of the incidence/story.

Many do consider the testimony of an eye witness very seriously in convicting a crime but studies has shown that there are a lot of misinformation  due to some psychological factors like stress, anxiety, reconstructive memory, leading question e.t.c.

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic