Why is it difficult to prosecute someone in these bystander cases? Explain

easy I watch law and order svu all the time

Explanation:

Bystander effect, the inhibiting influence of the presence of others on a person's willingness to help someone in need. Research has shown that, even in an emergency, a bystander is less likely to extend help when he or she is in the real or imagined presence of others than when he or she is alone.

answer:

i think that is because of today's society mainly the gangbanging and ect.