Because the witnesses had different viewpoints so they might have seen different things..
If for example the witness is somehow related to the victim, his/her point of view might have been compromised and couldn't be used
hope this helps
Answer: D
Explanation: I just did this
The answer to this will be A: Making a small portion of your total credit card debt (be sure to mark me as brainiest<3)
The segregation of different African Americans and Caucasians.