In this episode. Tricking a water-bomber with a decoy person AND growing colonies of bacteria to a get a slack scrubber to clean up his act AND performing autopsies on fish to find out which fishmonger is selling his customers short AND when there are no fingerprints to pin down a mess-maker, palm prints could be the key. Water Decoy Kenya is getting struck by water bombs on a daily basis. With Laura-Mae's help she creates a decoy of herself to lure the water bomber in … and catch him red-handed. Microbes China discovers that the shower is filthy and Jordan was the last person on cleaning duty. With Stephanie's help, China sets out to prove that Jordan has been slacking off. Taking swabs of the shower grime before and after Jordan’s ‘cleaning’, the girls use biological forensics to get their man. Fish Autopsy One of Ellie’s Dad’s fishmongers is not selling fresh fish. Ellie and Isabelle get down to the investigation, collecting samples and performing some revealing autopsies. Lef