An Arizona family is mourning a loss that never should have happened after a man left home for work and never returned because a routine, everyday interaction turned deadly. According to a report from KCPQ, 52-year-old Danny Lyn Kaster was shot and killed inside a Phoenix QuikTrip on the morning of Jan. 16. Phoenix police said Kaster was waiting in line to use the restroom when 25-year-old Deondre Franklin attempted to cut ahead of him. Family…