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Dallas police stand near the scene where four Dallas police officers were shot and killed on July 7.
Dallas police stand near the scene where four Dallas police officers were shot and killed on July 7.

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    Cops' families: We worry every day

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Cops' families: We worry every day

Families of police officers share their biggest fears as their loved ones put themselves in harm's way.

Cops' families: We worry every day

Families of police officers share their biggest fears as their loved ones put themselves in harm's way.