A missing woman’s dog has been discovered wandering alone nine days after its owner disappeared while on a walk. Christina Johnson vanished in Houston, Texas while out with her 10-year-old cross-breed dog named Max on March 6. Police were informed by her father, Emmanuel Johnson after she failed to return home. On Friday, a “very alarming” discovery was made when Max was spotted walking in a storm seven miles away from the family home. The woman who found Max, Callie Clemens shared a photo of him on Facebook, writing: “Max was found tonight 7.5 miles away. Emmanuel came by and got him!” Clemen…