7 CBS Sync Facts from "The Forever People" - Criminal Minds S10 E11

The episode opened with a quotation by Henry Wadsworth Longfellow: "Every man has his secret sorrows which the world knows not." Longfellow survived both of his wives. His first wife, Mary Potter, died in 1835 after a miscarriage. His second wife, Frances Appleton, died after sustaining burns when her dress caught fire.

Impressed by Reid's unconscionable knowledge of Lake Mead? Criminal Minds research assistant, Ticona Joy, called the Lake Mead Boat Owners Association for statistical information featured in the episode.

The Hoover Dam, mentioned in the episode, was constructed with supplies and materials furnished by every state in the U.S.

The Nazi doctor who performed the Dachau hypothermia experiments mentioned in the episode was later imprisoned for falsifying data from experiments on childbearing. He was held and executed by firing squad at Dachau.

Grant Show played cult leader Colton Grant in this episode. You may recognize him from his classic character on "Melrose Place."

Faran Tahir, who plays Tivon Askari, was raised in Pakistan. His father was the Director General at the Pakistan National Council of the Arts. You may recognize him from "Star Trek" or "Elysium."

Roughly 60 percent of men and 50 percent of women experience at least one traumatic event-- of that group, about 8 percent of men and 20 percent of women develop post-traumatic stress. If you or someone you know is experiencing post-traumatic stress, visit www.ptsd.va.gov.