People Are Sharing The Most Upsetting Unsolved Mysteries, And These Stories Are For Adults Only

We recently asked the BuzzFeed Community to tell us about an unsolved mystery they just can't stop thinking about. There were so many responses, we actually had to break it into two parts (here's the first part, if you're interested). Now, here are more of the haunting mysteries they wanted to share...

Warning: Graphic content ahead, viewer discretion advised.

1.South Korea's "Frog Boys" case

A missing person sign with images of the 5 boys posted on a wall

2.The disappearance of Maura Murray

Missing person image of Maura

3.The Tylenol Murders

a casket of one of the victims being carried out after the funeral

4.The Springfield Three

Missing persons poster of the three women

5.The unsolved case of Phoebe Handsjuk

CCTV footage of Phoebe exiting her apartment building while walking her dog

6.The disappearance of Amy Lynn Bradley

Missing person flyer with age progression images of amy

7.The unsolved murder of Russell & Shirley Dermond

News story with the chyron saying man decapitated, wife dumped in lake

8.The abduction of Angela Hammond

Image of Angela over a copy of a ransom note

9.The disappearance of Bryce Laspisa

Bryce's parents hold a family photo

10.The Nanjing University mutilation case

people walking through park in nanjing china

11.The disappearance of Beth Miller

Investigators looking at a red pickup truck

12.The disappearance of Ayla Reynolds

Stuffed animals are left in front of the house where Ayla Reynolds disappeared

13.The unsolved murder of Megan Curl

newspaper clipping about Megan's death

14.The death of Cindy James

News footage of bodybag being carried

15.The disappearance of Paige Renkoski

Crime scene image inside Paige's car

16.The disappearance of Veronica Blumhorst

A park bench dedicated to Veronica

17.The disappearance of Kyron Horman

Kyron Horman's missing persons poster

18.Finally, the Dupont de Ligonnès murders

A house with a barricade around it

Note: Some submissions have been edited for length and/or clarity.

If you or anyone you know has information on a missing person case, call local law enforcement first. You can also contact the National Center for Missing & Exploited Children at 1-800-843-5678 (THE-LOST) or visit the National Missing and Unidentified Persons System site for regional case assistance.

What's an unsolved mystery you can't stop thinking about? Tell us in the comments below, and who knows, maybe there will be a part three.