"Clue" Image Credits

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http://commons.wikimedia.org/wiki/File:Agatha_Christie_Marple.jpg
http://pixabay.com/en/fingerprint-touch-crime-criminal-150159/
http://commons.wikimedia.org/wiki/File:KnossosFrescoRepro06827.jpg (Cretan reproduction)
http://en.wikipedia.org/wiki/File:Knossos_bull.jpg
http://en.wikipedia.org/wiki/File:Poseidon_Penteskouphia_Louvre_CA452.jpg
http://en.wikipedia.org/wiki/File:Pompeii_-_Casa_dei_Vettii_-_Pasiphae.jpg
http://en.wikipedia.org/wiki/File:Pasiphae_Minotauros_Cdm_Paris_DeRidder1066_detail.jpg
http://en.wikipedia.org/wiki/File:Cup_Apatouria_Louvre_G138.jpg
http://commons.wikimedia.org/wiki/File:Willem_Strijcker_-_Theseus_and_Ariadne_-_Google_Art_Project.jpg
http://commons.wikimedia.org/wiki/File:Bambini,_Niccolo_-_Ariadne_and_Theseus.jpg
http://commons.wikimedia.org/wiki/File:Theseus_Minotaur_Mosaic.jpg
http://de.wikipedia.org/wiki/Datei:Ariadne_in_Naxos,_by_Evelyn_De_Morgan,_1877.jpg
http://commons.wikimedia.org/wiki/File:Pittoni_Bacchus_and_Ariadne.jpg
http://en.wikipedia.org/wiki/File:Athena_Parthenos_Altemps_Inv8622.jpg
http://en.wikipedia.org/wiki/File:Geoffrey_Chaucer_(17th_century).jpg
http://pixabay.com/en/context-question-direction-meaning-27189/
http://commons.wikimedia.org/wiki/File:Woman_spinning_BM_VaseD13.jpg
http://en.wikipedia.org/wiki/File:Rundscheibe_Drei_Parzen_KGM_AE470.jpg
http://commons.wikimedia.org/wiki/File:Domenico_Beccafumi_-_Penelope_-_WGA01540.jpg
http://commons.wikimedia.org/wiki/File:Odysseus_Ajax_Louvre_F340.jpg
http://de.wikipedia.org/wiki/Datei:Odysseus_Sirens_BM_E440_n2.jpg
http://en.wikipedia.org/wiki/File:JohnWilliamWaterhouse-PenelopeandtheSuitors(1912).jpg
http://commons.wikimedia.org/wiki/File:Leandro_Bassano_-_Penelope.jpg (unravelling)
http://pixabay.com/en/clay-soil-dehydrated-desert-dry-22517/
http://pixabay.com/en/brain-thinking-ideas-people-person-147026/
http://pixabay.com/en/detective-man-person-face-profile-156647/
http://pixabay.com/en/fingerprint-detective-criminal-146242/
http://pixabay.com/en/detective-clues-find-finger-152085/
http://pixabay.com/en/dna-biology-medicine-gene-163466/
http://pixabay.com/en/dna-biology-bottles-samples-154227/
http://pixabay.com/en/pace-footprint-foot-651817/
http://en.wikipedia.org/wiki/File:Blooddroplets.JPG
http://pixabay.com/en/crime-scene-silhouette-body-ground-29308/
http://commons.wikimedia.org/wiki/File:Henry_Faulds2.jpg
http://commons.wikimedia.org/wiki/File:PSM_V13_D008_Edward_S_Morse.jpg
http://pixabay.com/en/clam-sea-shells-beach-shell-87838/
http://en.wikipedia.org/wiki/File:Charles_Darwin_by_Julia_Margaret_Cameron_2.jpg
http://commons.wikimedia.org/wiki/File:JomonPottery.JPG
http://en.wikipedia.org/wiki/File:Francis_Galton_1850s.jpg
http://commons.wikimedia.org/wiki/File:Portrait_of_Erasmus_Darwin_by_Joseph_Wright_of_Derby_(1792).jpg
http://en.wikipedia.org/wiki/File:JosiahWedgwood.jpeg
http://en.wikipedia.org/wiki/File:Galton%27s_correlation_diagram_1875.jpg
http://commons.wikimedia.org/wiki/File:William_James_Herschel_100.jpg
http://commons.wikimedia.org/wiki/File:Fingerprints_taken_by_William_James_Herschel_1859-1860.jpg
https://archive.org/details/originoffingerpr00hersrich
http://commons.wikimedia.org/wiki/File:William_Herschel,_from_p6_of_Hector_Macpherson_-_Herschel_(1919).jpg
http://en.wikipedia.org/wiki/File:Julia_Margaret_Cameron_-_John_Herschel_(Metropolitan_Museum_of_Art_copy,_restored).jpg
http://commons.wikimedia.org/wiki/File:Henry_Cotton.jpg
http://commons.wikimedia.org/wiki/File:Edward_Richard_Henry00.jpg
http://pixabay.com/en/india-flag-fingerprint-country-652857/
http://commons.wikimedia.org/wiki/File:Azizul_Haque.jpg
http://commons.wikimedia.org/wiki/File:New_Scotland_Yard_sign_3.jpg
http://pixabay.com/en/sherlock-holmes-detective-462978/
http://commons.wikimedia.org/wiki/File:The_Adventure_of_the_Norwood_Builder_05.jpg
https://openclipart.org/detail/174266/hercule-poirot
https://openclipart.org/detail/17692/cartoon-dog
https://openclipart.org/detail/183205/pipe
https://openclipart.org/detail/178101/moustache
https://openclipart.org/detail/26947/magnifying-glass-color
http://pixabay.com/en/hat-shape-silhouette-melone-305191/
https://openclipart.org/detail/195809/grandma-penguin
https://openclipart.org/detail/213048/doctor-giraffe