Case closed? : a jury hands down its verdict. Has the right man been convicted? Crime scene investigators DNA on the case : DNA evidence can lock up the guilty, and free the innocent The world's smallest Instruction manual Questionable evidence : the Innocence Project takes the case DNA dos and don'ts Not guilty Testing, testing : can Stephan Cowans prove his innocence? Justice, and an apology The police take another look at the fingerprint DNA Database