Elise Torres

On Feb. 2, 2017, Piazza, 19, fell down a set of stairs with a BAC of almost .40. Two days later, he succumbed to his injuries, which included a collapsed lung and brain injury. Eight members of his fraternity, Beta Theta Pi, were charged with involuntary manslaughter in connection to his death.

Years later, in January 2004, Mills requested a copy of her birth certificate—which is how she discovered her birth father was Tom Burnett, one of the men who prevented the hijackers from crashing United Flight 93 into the White House or Capitol building.

When Leah Dalton was born in South Korea, her biological parents faced a tough decision. They wanted their daughter to have a better life—so, when Dalton was 18 months old, she was adopted by a family in Breckenridge, Minnesota.