Framed!

'Framed!' is the first book of the series known as Traces. The book follows Luke and his Mobile Aid to Law and Crime or Malc. In the book Luke becomes the youngest forensic investigator of all time at 16 and is then asked to investigate a murder of Crispin Addley who was very close to Luke's marks, because of this Luke becomes one of the prime suspects in his own case. Over the course of the case two other murders occur each strongly related to Luke.