A man and a woman involved in a string of smash-and-grab jewelry store robberies last fall were sentenced this week for their roles in a break-in at a downtown Willmar jewelry store. 22-year-old Marcos Enrique Trevino Junior of Willmar was sentenced to 21 months in prison, which was stayed, as well as 81 days in jail and 5 years of probation. He was also fined a thousand dollars on the 3rd-degree burglary charge. 18-year-old Allison Roschild of Renville was sentenced to 15 months in prison, which was also stayed, along with 105 days in jail, 5 years of probation and a $50 fine on a 3rd-degree burglary charge. The Willmar robbery was the last in a string of 3 jewelry store burglaries on November 5th in Granite Falls, Sacred Heart and Willmar. The two had previously been sentenced in connection with the other 2 cases.