Frank Morris was a career criminal who became one of only three people to ever successfully break out of Alcatraz on June 11, 1962 — but he may have drowned in the frigid waters of San Francisco Bay before he made it to freedom.

Accused of stealing a backpack when he was 16, Kalief Browder was imprisoned at Rikers Island prison for three years without a trial.

Inspired by the movie Scream, 16-year-olds Brian Draper and Torey Adamcik became obsessed with killing someone — then fatally attacked their classmate Cassie Jo Stoddart on September 22, 2006.

After crashing into an iceberg in the North Atlantic, the Titanic slipped beneath the frigid waters on April 15, 1912, taking 1,500 souls with it.

Best known for his role as Noah "Puck" Puckerman on the hit series Glee, actor Mark Salling died by suicide on January 30, 2018 while facing prison time for possessing child pornography.

Kevin James Loibl fatally shot Christina Grimmie and then took his own life during a meet-and-greet after a concert on June 10, 2016. Investigators then discovered that he had spent "most of his waking hours" watching videos of the pop star and altered his appearance in an effort to attract her.

Charles Vallow worried about his wife Lori's obsession with the apocalypse and her bizarre religious beliefs — and after he planned an intervention, he was shot dead by his brother-in-law in July 2019.

On May 23, 2014, California college student Elliot Rodger went on a deadly rampage because he was angry that women didn't like him — and he left behind a chilling manifesto explaining his "revenge on society."

After she became popular thanks to YouTube and The Voice, rising pop star Christina Grimmie was well on her way to worldwide fame — then an obsessed fan named Kevin James Loibl shot her to death after a concert in 2016.

Sarra Gilbert's vicious murder of her mother, Mari Gilbert, came five years after her sister Shannan was found dead — possibly at the hands of the Long Island Serial Killer.