The Sheboygan County Sheriff's Office is asking for the public's assistance in locating a missing 14-year-old male who may be in the Milwaukee area.Mason Richard Sleva was last seen on April 30th at around 7:30 p.m. on the 1100 block of W First Street in Waldo.Mason is described as a 5'7" white male with short, curly, blonde hair and blue eyes. He was last seen wearing a black puffer coat, blue Nike hoodie, and black sweatpants. According to the Sheriff's Office, he was last seen by staff at his residential treatment facility at 7:30 p.m., where he made concerning statements to the staff before leaving on foot.At around 10:40 p.m., a subject that matches his description was seen on video at 728 State Highway 57 in Plymouth where it is believed he may have stolen a white 2014 Chevrolet Malibu with the Wisconsin registration ARE5183.It is also believed that Mason may be in the Milwaukee area.Anyone with information on his whereabouts is asked to contact the Sheboygan County Sheriff's Office at (920) 459-3112.Want to discuss this story and keep up with whats happening in Sheboygan County? Join our new Facebook group to share stories, ask questions, and connect with neighbors.Its about time to watch on your time. Stream local news and weather 24/7 by searching for TMJ4 on your device.Available for download on Roku, Apple TV, Amazon Fire TV, and more.Report a typo or error // Submit a news tip ...read more read less