Missing, endangered Sheboygan County teen; last seen on stolen bike

Mason Sleva

The Sheboygan County Sheriff's Office needs your help in finding a missing and endangered teenager, 14-year-old Mason Sleva.

Missing teen

What we know:

The sheriff's office says Mason was last seen by staff at his residential treatment facility in Waldo on Thursday, May 7, around 9:30 p.m. He left the facility out of his bedroom window. 

Mason was spotted by police in the City of Plymouth at approximately 12:50 a.m. on May 8. 

Officers attempted to apprehend Mason by setting up a perimeter and requesting assistance from the Sheboygan County Drone Team. However, efforts were unsuccessful. 

At some point after that, Mason stole a mountain bike. 

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Description

What we know:

Mason Sleva is a 14-year-old male, white, with a height of 5' 7" and a weight of 140 lbs. He has blue eyes, blonde hair that's short and curly. 

He was last seen wearing a black shirt tied around his face to resemble a ski mask, a dark hooded winter jacket, baggy blue jeans, and dark shoes.    

Anyone with any information on Mason's whereabouts is asked to call the Sheboygan County Sheriff's Office at 920-459-3112.

The Source: The information in this post was provided by the Sheboygan County Sheriff's Office. 

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