Watch the new and 7th season of BuzzFeed Unsolved: True Crime! www.youtube.com/playlist?list=PLD8iUdp33PqTsix2sGblEQZ8m5FQycC5D A shark, a speedboat, and a mysterious severed arm. MERCH: We've got it! SHOP NOW: bzfd.it/2MDBk2d Watch on Amazon Instant Video: amzn.to/2nxA2q6 Watch on Hulu: hulu.tv/2FHqdMT Check out our BuzzFeed Original Series channel on Roku: bit.ly/2DUnOlE Credits: www.buzzfeed.com/bfmp/videos/77595 MUSIC Licensed via Audio Network SFX Provided By AudioBlocks (www.audioblocks.com) 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 The Cecil hotel at Cronulla which is to be demolished. Fairfax Media Archives/Getty Images Log Cabin On Field Near Sea Against Sky Ryan Friend / EyeEm/Getty Images Old tanker ship in dry dock. Scott W Baker/Getty Images Portrait of businessman Westend61/Getty Images Bearded fisherman on his ship. Tina Terras & Michael Walter/Getty Images Arrested business man handcuffed hands. Close-up. boonchai wedmakawand/Getty Images coogee aerial photo John Crux Photography/Getty Images Couple Sitting On Shore Against Sky At Night Adriana Beca / EyeEm/Getty Images Penguin tank cleaning at Living Coasts Zoo & Aquarium Ben Birchall - PA Images/Getty Images Classic crest of a wave, Poole Harbour, England, UK pilesasmiles/Getty Images Scuba in Giannutri Island, Tuscany Alessandro Rota/Getty Images The Roaring 20s Woman Flapper Dancer Dress ratpack223/Getty Images 1930s TWO WOMEN ONE MAN... H. Armstrong Roberts/ClassicStock/Getty Images Suited gent with serious sinister face staring in to camera Edward Carlile Portraits/Getty Images Low angle underwater view of tiger shark swimming near seagrass covered seabed, Tiger Beach, Bahamas Rodrigo Friscione/Getty Images 1930s 1940s WOMAN SITTING... H. Armstrong Roberts/ClassicStock/Getty Images 1940s PROFILE PORTRAIT... H. Armstrong Roberts/ClassicStock/Getty Images Low Angle View Of Shark In Aquarium Karfai Wong / EyeEm/Getty Images Fake severed human arm with terrible blood Bun_Visit/Getty Images Front page article covering the case of 'Granny Killer' John Wayne Glover from T Fairfax Media/Getty Images dead cormorant Luis Diaz Devesa/Getty Images The fat man with communist party card grinning verbaska_studio/Getty Images Father and son fishing on boat Robert Daly/Getty Images Couple standing in boat together Robert Daly/Getty Images woman with red umbrella crossing the street,rainy night Grandfailure/Getty Images Old style pharmacy package Hemme/Getty Images Abstract watercolor aquarelle hand drawn colorful shapes art red color undrey/Getty Images Ten Australian Pounds Kokkai Ng/Getty Images Fountain Pen t_kimura/Getty Images Ceramic tiles Mosaic petekarici/Getty Images Serious Senior Man Standing drbimages/Getty Images isolated old trunk XXXL greg801/Getty Images Vintage Car: Red Model T zennie/Getty Images Blood Smear hidesy/Getty Images Blank screen on a tripod borzywoj/Getty Images Black and White Fingerprints wwing/Getty Images Old American Automobile schlol/Getty Images dollar bills pagadesign/Getty Images Two builder's bills from 1907-08 whitemay/Getty Images Portrait of a man alvarez/Getty Images Window Frame jtyler/Getty Images Handy Man Series DIGIcal/Getty Images Dead rat on pavement Crispin, Alexander/Getty Images Florida sunny hotel room with two king size beds and table carlosegg/Getty Images Antique adding machine PhotoAlto/Eric Audras/Getty Images Empty courtroom SuperStock/Getty Images A group of people momentimages/Getty Images Portrait of overweight man DAJ/Getty Images book of checks boesephoto/Getty Images Old Speed Boat Fuse/Getty Images Young businessman posing in studio, (B&W), portrait George Marks/Getty Images VIDEO Water Spray against Black Background. Slow Motion RoStRecords/Getty Images Hand picks up and hangs up old landline phone Joseph Kelly/Getty Images Water spray against Black background Slow down your World/Getty Images Apartment building on Fire at Night time saskami/Getty Images splashes of water on a black background alpha channel splashes liquid Kyrylo Dubina/Getty Images blue gentle waves, slow motion looped ocean surface seen from underwater (4k, seamless loop) rays of sunlight shining through Great for backgrounds raspirator/Getty Images Air bubble underwater stevanovicigor/Getty Images Color ink dropped in water on white peefay/Getty Images Water Spurting out against White Background, Slow Motion 4K slowmotiongli/Getty Images Man receives bribe and leaves Blimp Tele Inc/Getty Images vector fire 4K animation lukutin77/Getty Images Fly over rough seas tombonatti/Getty Images Bubbles teekid/Getty Images