AP Photo/Jim Wells
Serpico testified that, when he first complained about police graft, a captain warned him to “forget it” or he “might end up floating in the river.” Copyright Bettmann/Corbis / AP Images
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Editor’s note: There are some incidents, regardless of age, that are so critical to officer safety they should never be forgotten. “Lessons by the Decades” will periodically feature these tragic events that should be ingrained in the mind of every officer. The following event happened more than 40 years ago and the agency has taken dramatic steps to make needed changes. However, the lessons learned are still powerful and relevant today.