Cryptic Killers: Murder of a Musician

A murder has been committed in London’s famous Monastery Road Studios. Renowned saxophonist and songwriter, Roland “Stubby” Hackett, died during a recording session due to an allergic reaction, but initial forensic investigations have brought up clues to suspect foul play is at hand.

The evidence has been collected for you, and it's your job to piece it all together and work out who it was that killed Stubby.

Eliminate as many of the suspects as possible, so that we can find the killer (or killers) and bring them to justice.