How do you do the finger print thingy? – Project MC2 Case Files Review

How do you do the the finger print thing? It’s so hard because I put the dust in in the game, and blow in the speaker, BUT it doesn’t work someone PLEASEEEEE help me?!?!?!?! I’m so confused. I really like the A.D.D.I.S.O.N thing I have no clue what it means. Um the key think I’m also like “this makes no sense I’m so confused,” and it’s really hard! HELP ME PLEASE???????????????????????????
Review by hfhvbbbbbb on Project MC2 Case Files.