Police are investigating three break-ins at a business park in Bangor – all in the last month. Mert Enterprises was the first business in the Bomarc Industrial Park to be hit.Thieves broke in over the Halloween weekend and stole 9 computers. The owner says they also took at least 250-dollars of change collected to buy Special Olympics uniforms. Mert offers services to developmentally disabled adults. Police say the most recent crime was last weekend when someone broke into Chute Chemical and also stole computer equipment.Another business was target but nothing was taken. Police say they’re trying to determine if the crimes are connected.