Freewriting helps peole "brainstorn" - it's a writing that aims to overcome any emotional block people might feel (for example, if people feel anxious of writing because they are not sure if they wrote something well) and it helps them to come up with new ideas without fearing that they are unimportant
Answer: D.) And what had happened to the bicycle, which might have shed some light on the shooting? The police had never collected this vital piece of evidence.