Over the last few months, many sexual harassment victims have come forward. But perhaps no story has been as surprising as the firing of Matt Lauer. Part of this comes from how quickly NBC dealt out his punishment. One morning he was on the air, and the next he was gone.

Then there's the fact that many of his colleagues describe Lauer as beloved. When announcing his termination, Savannah Guthrie, Lauer's co-host of five years, expressed confusion.

"We are grappling with a dilemma that so many people have faced these past few weeks: How do you reconcile your love for someone with the revelation that they have behaved badly and I don't know the answer to that," she said on last Wednesday's Today show.

Many people have a similar reaction when they discover a close co-worker is capable of terrible acts. You often can't predict if an employee is going to cross a line. But how you react to the situation can affect how the rest of the team recovers. Whether it's sexual harassment or other unacceptable behavior, these four tips will help you react effectively:

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