Investigation: How Many Lives Are Lost to Opioids? No One Knows.

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In 2015, state officials reported at least 1,451 men, women and children died from drug overdoses in Tennessee - but that's far from an accurate count.

There are likely hundreds more. No one knows the true number.

Drug deaths reported in Tennessee are fundamentally flawed and represent an under-count of the toll taken by opioids, the nation’s most deadly drug epidemic, a USA TODAY NETWORK-Tennessee investigation found.