Kellogg Company, the largest cereal maker in America, announced an investigation on Monday into a video of a man apparently peeing directly into the production line.

Released late last week, the video was shot at the company's Memphis, Tennessee facility in 2014, Kellogg North America president Paul Norman said in a statement. In it, a man appears to urinate onto a moving conveyor belt just before a shaft deposits what looks like puffed rice for further processing.

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"The actions of this individual violate the trust you've placed in us to make food for you and your family over the past 110 years. As president of Kellogg's North America business, and on behalf of the 33,000 members of our Kellogg family around the world, I am deeply sorry and saddened," Norman said.

The company said that a number of products might have been sent out after being tainted, including "Rice Krispies Treats, granola clusters used in a couple of products, and a few other puffed rice treats that we no longer make."

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The culprit is still at large, and the company said it was working to determine if he was still employed at the Memphis factory.

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Whether by accident or not, urophagia — the consumption of urine — is generally frowned upon in the medical community. Kellogg's noted that while the video was "disgusting and criminal, this type of situation is a food quality issue and does not present a food safety risk."

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