Mark Gessner, 54, of Augusta, convicted in the 1994 murder of Bath florist Melvin Henderson, was arrested in Bath Sunday, Oct. 21 and charged with Criminal Threatening with a Dangerous Weapon, a Class C Crime. The alleged weapon was a knife.

On Sunday at approximately 11:48 a.m., Bath police responded to 524 High St. for a reported threatening incident. Officers arrived on scene within a few minutes. After interviewing several people involved, police arrested Gessner.

The arresting officers took Gessner directly to Two Bridges Regional Jail in Wiscasset. His court date is set for 1 p.m. Dec. 4 at West Bath District Court. Gessner is a patient of Riverview Psychiatric Center and was on an unsupervised authorized leave. His committal to Riverview is related to his murder conviction.