[angry_octet]

The police testified that they had collected evidence from Kik that his username send the messages. Only he had access to that Kik account, ergo it is him. If that evidence is accepted as factually correct you are cooked. Case closed.

Courts are inherently bad at understanding that technology has bugs. Injustice is the norm.

[account42]

Yes, the root cause is that computer systems are seen as reliable witnesses even when they involve fallible human beings, e.g. the person making the request in this case.