So I've followed the walkthrough completely and when I go to brass he tells me I need more evidence for him to heat a judge or something like that. I've matched up all the finger prints except for the print on the echo pedal. I've matched up the hand writing for Jill. I've collected the straw and gotten the blood sample. I got both of the fire extinguisher samples from the polarity switch and the shirt. I just don't know what I'm missing. Please someone help me. The help will be greatly appreciated.