Read the following paragraph and extract the answer for the question: What is the last name of the person who believed a sea turtle was responsible for the attack?

After the second incident, scientists and the public presented theories to explain which species of shark was responsible for the Jersey Shore attacks or whether multiple sharks were involved. Lucas and Nichols proposed that a northward-swimming rogue shark was responsible. They believed it would eventually arrive along New York's coast: "Unless the shark came through the Harbor and went through the north through Hell Gate and Long Island Sound, it was presumed it would swim along the South Shore of Long Island and the first deep water inlet it reaches will be the Jamaica Bay."
Witnesses of the Beach Haven fatality estimated that the shark was 9 feet (3 m) long. A sea captain who saw the event believed it was a Spanish shark driven from the Caribbean Sea decades earlier by bombings during the Spanish–American War. Several fishermen claimed to have caught the "Jersey man-eater" in the days following the attacks. A blue shark was captured on July 14 near Long Branch, and four days later the same Thomas Cottrell who had seen the shark in Matawan Creek claimed to have captured a sandbar shark with a gillnet near the mouth of the creek.On July 14, Harlem taxidermist and Barnum and Bailey lion tamer Michael Schleisser caught a 7.5 foot (2.3 m), 325 pound (147 kg) shark while fishing in Raritan Bay only a few miles from the mouth of Matawan Creek. The shark nearly sank the boat before Schleisser killed it with a broken oar. When he opened the shark's belly, he removed a "suspicious fleshy material and bones" that took up "about two-thirds of a milk crate" and "together weighed fifteen pounds." Scientists identified the shark as a young great white and the ingested remains as human. Schleisser mounted the shark and placed it on display in the window of a Manhattan shop on Broadway but it was later lost. The only surviving photograph appeared in the Bronx Home News.No further attacks were reported along the Jersey Shore in the summer of 1916 after the capture of Schleisser's shark. Murphy and Lucas declared the great...
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