Officers say an arrest warrant has been issued for Shawn Dale Marcum, 30, of Garden City, following their investigation into the stabbing early Saturday morning at 207 East 44th Street.
Police say they arrived at the scene just after midnight Saturday morning and found a 46-year-old Boise resident who had a stab wound to the upper chest.
Investigators say they don't know where Marcum is currently and are asking for the public's help in locating him.
Police say he should be considered armed and dangerous.
Anyone with information is urged to call Crime Stoppers at 343-COPS.