Enclosed in this document is the account of Mr. Johnathan Crewes, who was recently incarcerated in the Psychiatric Ward, of how he was driven insane. He shall be soon shipped to the St. Josephine Asylum for the Mentally Disturbed.
A circus is in town and while parading down the main street the animals suddenly break free from the cages. After surviving and assisting during the breakout the PCs are hired to help with the investigation. Who did this and why?