On the evening of April 16, 1960, a young woman from McAllen, Texas named Irene Garza went to church for confession. She never returned home. A week later, her body was found floating in a canal. Decades would pass before the priest who murdered Irene was brought to justice in a historic case for the church and the Rio Grande Valley.

In Season five of "Darkness," host Talisa Treviño details the decades-long fight for justice for Irene. Hear from the investigators who tackled the case and Irene's loved ones, as well as survivors of abuse in the Catholic church.

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After a federal court ordered the immediate integration of Mansfield High School, white segregationists blocked the front of the high school, threatening anyone challenging them. Part two of this series, written by Khiry Duffey and hosted by Terrance Thomas, shares what happened that day in Mansfield and how it helped shape events that would happen in Little Rock, Arkansas, the following year. And Mansfield Historian Christopher Ohan delves into the lasting impression the story of 1950s Mansfield holds with city residents today.

In 1955, Mansfield ISD was still segregated, despite the Brown v. Board of Education ruling the year prior. It was a small town, heavily divided by race, just outside of Fort Worth, Texas. In the first part of a two-part series, Khiry Duffey shares the story of Clifford Davis and Floyd Moody, two people who were critical in the efforts to desegregate the school.