help with 3 short discu due in 3 hours

Witnesses

For this assignment, you will discuss the reasons why people may be reluctant to talk to investigators and become a witness in a criminal investigation. Include examples.>

Trace Evidence/Cyber Crimes

What evidence do you think can be obtained in a cybercrime and why?

The Impact of Media

Respond to Discussion Question question and respond to two other learners For this assignment, you will participate in a discussion about the effects the media has on the solving of criminal cases. Do they hurt or influence the positive end to cases?