For the second time in two weeks, San Luis Obispo Police are investigating an armed robbery at a Subway sandwich shop. Officers were called out yesterday to the Subway on the 3200 block of Broad Street at around 7 p.m… A male suspect with a black wig and black hoodie walked into the Subway shop, brandished a handgun, and demanded money. he got away with an undisclosed amount of cash. Anyone with information about this ongoing investigation is asked to contact the San Luis Obispo P.D…