CSI: The case of the stolen bicycle

A BICYCLE WAS STOLEN. A FEW DAYS LATER THE BIKE WAS RETURNED TO THE SCENE OF THE CRIME. THIS WAS A CASE FOR THE DETECTIVES OF ROOM 201 AND 202 TO SOLVE. WE DECIDED TO USE FORENSIC SCIENCE TO SOLVE THE CRIME AND CATCH THE THIEF!
FIRST WE TAPED OFF THE CRIME SCENE.

WE PUT ON OUR LAB COATS AND WERE READY TO INVESTIGATE.


WE LISTENED TO THE ALIBIS OF THE FOUR SUSPECTS.


WE CREATED A FILE FOR OUR FORENSIC TEST RESULTS

WHEN THE BIKE WAS RETURNED, WE TOOK FINGERPRINTS AND COMPARED THE PRINTS TO THE FOUR SUSPECTS' PRINTS.






WHEN THE BIKE WAS RETURNED WE FOUND A LEAF WEDGED IN ONE OF THE SPOKES OF THE TIRE. WE ANALYZED LEAVES THAT WERE COLLECTED FROM EACH OF THE SUSPECTS HOUSE AND RAN CHROMOTOGRAPHY TESTS TO FIND A MATCH.



THEN WE DECIDED TO RUN THE MOST CONCLUSIVE TEST: DNA ANALYSIS





WE WAITED FOR THE DNA TO CRYSTALLIZE.



WE EXTRACTED THE DNA STRANDS.





WE FOUND THAT SARA STOLE THE BICYCLE.