(KRON) – The Oakland Police Department is asking for public assistance in locating a 15-year-old missing teenager. Darwin Smith, described by authorities as a Black and Hispanic teenage boy, stands 5 foot 8 inches tall and weighs around 154 pounds. Darwin has brown hair and brown eyes.  Photo: Darwin Smith OPD look for multiple suspects in Saturday’s Foothill Square robberies The teenager was last seen in the 3800 block of Coolidge Avenue in Oakland around 11 a.m. on Friday. According to Darwin’s family, he was diagnosed with autism and schizophrenia. OPD said Darwin walks with a limp.  Anyone with information regarding Darwin’s whereabouts is asked to contact the OPD Missing Persons Unit at (510) 238-3641.