One of the world's leading experts on the criminal mind, psychiatrist Park Dietz helps break down what drives a person to commit murder on a large scale. Is it a suicide wish? Is depression the main driver? The doctor dives into some of the latest killings, including the Las Vegas massacre.

<p>One of the world's leading experts on the criminal mind, psychiatrist Park Dietz helps break down what drives a person to commit murder on a large scale. Is it a suicide wish? Is depression the main driver? The doctor dives into some of the latest killings, including the Las Vegas massacre.</p>

Take a deep dive into the week's biggest interviews and stories you see on CBS2 and KCAL9 - from Los Angeles, CA

CBSLA: Uncut

Take a deep dive into the week's biggest interviews and stories you see on the CBS2 and KCAL9 News in Los Angeles

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