Accident fault, whose is it when the person was is in your blind spot?

Accident fault, whose is it when the person was is in your blind spot?

Cousin was in an accident the other car was going pretty fast. Cousin merged after signaling and the cars swipped each other.

The other car was going fast enough to get from the blind spot to right next to him.

No one was hurt but whose fault was it for the insurance?

Cousins fault
Other cars fault
What ever made him change lanes so fast
Results don't know?
Select gender and age to cast your vote:
Accident fault, whose is it when the person was is in your blind spot?
Post Opinion