Police in Arizona are asking for your help finding a suspect involved in the murder of a high school teacher last Sunday in Tempe. Police say the man may be headed toward Reno. 27-year-old Caleb Bartels is white, 5’10” with brown hair and green eyes. He was last seen driving a silver 2007 Pontiac Grand Prix with Arizona plates B-S-K-8-9-7-2.