Authorities are searching for a 16-year-old girl who was last seen over a month ago in Northwest Miami-Dade. According to Miami-Dade Police, Sindi Pena Sandoval was last seen on Friday, Aug. 9, around 11:30 p.m. near the 1200 block of NW 103rd Lane. She is described as standing at 5 feet, 4 inches, weighing 130 pounds and has black hair and brown eyes. and 130 lbs. She was last seen wearing a white shirt, black pants, and white and pink Nike sneakers. Authorities believe she may be in need of services. Anyone with information is urged to contact the Miami-Dade Police Department’s Special Victims Bureau at (305) 715-3300 or Crime Stoppers at (305) 471-8477.