The Music of Harry Potter extravaganza was advertised to punters as taking place at Bolton's Victoria Hall on Sunday - only for ticketholders to turn up to a closed theatre.
The serial killer admitted to the 1999 murder of 17-year-old Victoria Hall and the attempted abduction of a woman 24 hours earlier on the first day of his Old Bailey trial on Monday.
In his 2008 book Hunting Evil, Professor David Wilson named Victoria Hall as a potential victim of the Suffolk Strangler, 17 years before Wright's confession.
When detectives arrived at HMP Long Lartin in Worcestershire to arrest Steve Wright for the murder of 17-year-old Victoria Hall, the Suffolk Strangler greeted them with a knowing smile.
Steve Wright, 67, of Ipswich, Suffolk, has been charged with the kidnap and murder of Victoria Hall and the attempted kidnapping of another woman in September 1999.