SAN ANTONIO — San Antonio police confirmed a 17-year-old was arrested after a man was stabbed to death during an early morning altercation at a northwest-side business on Friday. The suspect, identified as Samuel Davis, was taken into custody after a standoff nearby involving a person of interest connected to the case. A 17-year-old is facing a murder charge after San Antonio police say a dispute over a 99-cent tobacco product turned deadly at a Northwest Side convenience store. Officers were called around 1 a.m. Friday to the Classic Mart & 420 Shop in the 4000 block of Medical Drive...