DALLAS (CBSDFW.COM) - The Dallas Police Department is seeking public assistance in locating a murder suspect. Infant Johnson is wanted for capital murder and should be considered armed and dangerous, police say. Police describe Johnson as a 23-year-old black male, about 5'11, weighing approximately 150 lbs. On June 26, Johnson shot and killed Jimena Nunez Sandoval, 24, and David Deshawn Stewart, 27, during a disturbance in the 6000 block of Ridgecrest Road. Police were called after a neighbor heard gunshots at the Northridge Court apartments that night. The couple's bodies weren't discovered until three days later. A neighbor said they found the couple's...