KINGSTON, Jamaica — A fresh trial on an unrelated murder charge was set to begin Wednesday for Omar Collymore who is currently serving a double life sentence for masterminding the January 2018 murder of his then-wife, Simone Campbell-Collymore, and cab driver Winston Walters. Collymore and his four co-accused will return on September 18 following a request from the Crown on Wednesday for additional time to complete its file. Collymore is serving a double life sentence for masterminding the January 2018 murder of his then-wife, Simone Campbell-Collymore, and cab driver Winston Walters, will on Wednesday be engulfed in a fresh trial.