UPDATE October 12, 2015 -- The Snohomish County Sheriff’s Office says the 16 year old girl was located on Monday afternoon in south Everett. The sherriff's office says they are still searching for her infant daughter. MISSING IN SNOHOMISH COUNTY October 1, 2015 -- The Snohomish County Sheriff’s Office said Thursday it is asking for the public’s help to locate a 16-year-old girl and her infant daughter. She's believed to have given birth outside medical observation, and her infant daughter is considered endangered due to the lack of medical care and her mother’s alleged heroin use, the sheriff's office said. The baby was born between September 10 and 18. She was last seen in the Everett area on September 2nd and may be transient. Anyone with information about the infant is asked to call 911 immediately.