If you watched "Shark Tank" back in 2020, you might be wondering what happened to the breakfast-themed Cereal Killerz ...

Cereal Killer Café in London is a cereal lover's dream. "At Cereal Killer Café, we don't just sell a bowl of cereal. We sell cereal in every way imaginable," owner Alan Keery Told Business Insider.

Is this the most-wanted cereal killer? An ex-FDA employee has revealed what he claims is the most harmful breakfast cereal on ...