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Imperial Fringe-goers explored their inner-detective last night, tackling crime scenes and cracking cases.

Imperial's gathered evidence of the scenes - a video roundup, some photos, and social media posts - before making a clean getaway:

Friendly crime scene robot De Niro, created by researchers from the Dyson School of Design Engineering, collected evidence and mapped crime scenes.

What’s in a fingerprint? Fringe visitors explored the chemical clues hidden within their fingerprints, which in a real crime scene could identify traces of elicit substances.

Reseachers from the Division of Brain Sciences talked about their work in identifying the differences between recreational and compulsive gambling that could ultimately lead to crime.

Mug shots: Fringe-goers learned what it was like to be in a line-up of suspects, and were taught how to spot a liar with journalists from , before posing for a mugshot.

Crime and punishment: Suspects and ÌìÃÀ´«Ã½ alike discussed the morality of legal punishments, adjucated by Sherlock Holmes himself (AKA ) from Imperial Horizons.

CSI: Chemistry Station of Investigation: Amateur investigators searched for traces of DNA (strawberry DNA, to be precise) on a murder victim’s clothes, and matched footprints to solve the mystery, with Imperial’s .

White collar crime: Investigators learned to spot dodgy dealings and insider traders in a popular gaol cell talk with of Imperial College Business School.

Crime in the community: Visitors found out how reports of crime in your local area might affect your activity levels, with Professor  from Imperial College Business School.

Crowds of crime scene investigators gathered behind police lines for Thursday’s #impfringe.

See what our detainees themselves made of the event below, with this round up of social media activity: