(Fargo, ND)  --  The suspect in four robberies last week in Fargo must come up with a half-million dollars in cash if he wants to make bail.  Prosecutors say 21-year-old Hunter Havisto appeared in court yesterday on four counts of robbery linked to individual incidents on Tuesday, Wednesday and Thursday.  Police say Havisto was busted on Thursday after officers tracked him to a stolen car near 6th Avenue and 23rd Street South.  He is reportedly due back in court on July 15th.