"The Harmful One" - Unit Chief Jack Garrett and his International Response Team travel to Thailand when three American volunteers go missing during a trek to Bangkok, and reconnect with former colleague Clara Seger , who helps them rush to gather evidence leading to the UnSub before a storm threatens to wash it away, on a rebroadcast of the series premiere of CRIMINAL MINDS: BEYOND BORDERS, on a special night and time, Saturday, June 18 on the CBS Television Network. Gary Sinise, Alana De La Garza, Daniel Henney, Tyler James Williams and Annie Funke star.