Bethany's mom, Carol Leidlein describes her daughter as very inquisitive -- she loved to read.

Watch now: "48 Hours" Fall from Grace

Bethany, top right, and her four siblings were homeschooled throughout elementary school and high school by her parents, Carol and Eric Leidlein.

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Friends since high school, Teryn O'Brien, left, remembers Bethany as being a deeply loving and caring person.

Teryn O'Brien on watching a friend succumb to abuse: "Trust your intuition"

Video: Teryn O'Brien on her friendship with Bethany

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Bethany and her husband, Tyler Deaton, met during their freshman year at Southwestern University in the fall of 2005.

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After graduating from Southwestern University, Bethany and Tyler Deaton moved with a group of friends to Kansas City, Missouri, to join The International House of Prayer, a Christian missions organization.

Video: What is IHOP?

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In 2010, Bethany Deaton went back to school and earned her nursing degree. According to mom Carol, Bethany was "the nurturer and looked out for everybody else."

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Bethany and Tyler Deaton got engaged in February 2012.

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After a brief engagement, Bethany and Tyler were married in August 2012.

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Just two months after her wedding, newlywed Bethany Deaton's lifeless body was found in the back of her van on Oct. 30, 2012.

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Detective Penny Cole and Colonel Ben Kenney of the Jackson County Sheriff's Office have been working the case since Bethany's mysterious death in 2012.

Watch now: "48 Hours" Fall from Grace