In the season finale and 100th episode of BuzzFeed Unsolved, Ryan and Shane revisit the show’s first ever mystery. Credits: www.buzzfeed.com/bfmp/videos/99811 MUSIC Licensed via Audio Network Welcome to the BuzzFeed Unsolved Network! This channel is your one-stop destination for all things mystery, conspiracy, supernatural, true crime, and everything in between. Subscribe here: bit.ly/2zuaR06. STILLS Clockmender, horologist in his shop Sharon Vos-Arnold/Getty Images Man lying on operating table in antiquated theatre Hello World/Getty Images White Shirt Judy Unger/Getty Images man passed out on carpet with one sock Alan Powdrill/Getty Images Woman looking through illuminated peep hole. Andy Ryan/Getty Images Close-up of ear Flashpop/Getty Images Magnifier on white background with copy space Peter Dazeley/Getty Images Shrimp trawler and USS 'Lexington' aircraft carrier, Corpus Christi, Texas, United States of America, North America Holger Leue/Getty Images Businessman reading newspaper, (B&W) George Marks/Getty Images Silhouettes of moving people (crowd), isolated. Set, vector illustration. Nosyrevy/Getty Images World Map Vintage Old Retro - Asia in Center dikobraziy/Getty Images World Map Physical Vintage - vector dikobraziy/Getty Images Plastic bag isolated on transparent background. Empty transparent plastic pocket bag. Serhii Brovko/Getty Images Police men grynold/Getty Images generic future vehicle, side view, vector illustration chombosan/Getty Images Headstone The Dreamer emyerson/Getty Images Cornish pasty isolated StockSolutions/Getty Images Many clothes in cloakroom Voyagerix/Getty Images Close Up 40 Nick Dolding/Getty Images brown waxed thread NorGal/Getty Images Hair strands on white background dimarik/Getty Images Empty old court house levers2007/Getty Images Portrait of happy middle-aged man Richard Drury/Getty Images concrete polished texture background Woman Holds Plaster Mask Over Face JannHuizenga/Getty Images Businessman retro 1920s style holding glass of whiskey and cigar. Ysbrand Cosijn/Getty Images Vintage Men Portraits Glasshouse Images/Getty Images Film noir scene cyano66/Getty Images Presenter having a public speech vitranc/Getty Images Old suitcase Klaus Hackenberg/Getty Images Exhausted businessman lying on the floor baona/Getty Images Teacher Correcting Paper Will & Deni McIntyre/Getty Images Witness Giving Oath During Trial Heide Benser/Getty Images Businessman using a mobile outside a modern office Ezra Bailey/Getty Images Empty Blackboard Will & Deni McIntyre/Getty Images Closed book on vintage wooden background. Old book on the wooden table. Closed book with empty cover laying on wooden table. SolidMaks/Getty Images Doctor holding blood in test tube Peter Dazeley/Getty Images Pattern of wooden texture background, Nature wall background mama_tao/Getty Images Antique vintage black and white photo: Horseracing jockey portrait ilbusca/Getty Images Antique vintage black and white photo: Horseracing jockey portrait ilbusca/Getty Images Antique vintage black and white photo: Horseracing jockey portrait ilbusca/Getty Images old books stacked on a shelf Balakleypb/Getty Images Blue chino Pants with brown leather belt isolated on white background. Comfort slim fit. Hype fashion magazine photo urban style. rsndetre/Getty Images Friendly smiling middle-aged business woman isolated on white ba Victor_69/Getty Images Close-Up Of Teenage Girl Lisa Sumner / EyeEm/Getty Images Vintage image of hospital bed Jan Hakan Dahlstrom/Getty Images Doctor writing on clipboard RunPhoto/Getty Images Blank tank top color white and black front view Taek-sang Jeong/Getty Images scenic coastline landscape,Carmel-by-the-Sea,California chinaface/Getty Images Torn papers on black STILLFX/Getty Images White plaster bust, sculptural portrait of the modern man Kozlik_Mozlik/Getty Images VIDEO A modern ballet, a man performs jumps and spins in the light of spotlights and smoke on a dark background. Acrobatic choreography, rehearsal of the script of modern ballet petrunine/Getty Images Beautiful woman answering a phone call in her hotel room iD-Stock/Getty Images Nuke explosion Alexyz3d/Getty Images dolly closeup of a telegrapher using a morse code key JHDT Stock Images LLC/Getty Images Beautiful young couple on a night date. TheRabbitHolePictures/Getty Images Two videos of Australian Flag in real slow motion MasterShot/Getty Images Flag of the Soviet Union waving at wind with blue sky, loop Ianm35/Getty Images Placing Wedding Ring rzymu/Getty Images Close Up Of Parents Cuddling Newborn Baby Son In Nursery monkeybusinessimages/Getty Images 4K Crime Morgue Dead Body Feet with Blank Tag, dolly MarioProduction/Getty Images Silhouette of Two Young Women Riding Horses on Beach gorodenkoff/Getty Images Russian ministry of foreign affairs pan shot. FullHD sunny day video alexeynovikov/Getty Images Power Cut shironosov/Getty Images Old Military Transport Airplane 8mm film erlucho/Getty Images