Nassau County Detective Lt. Raymond Cote said Jared Gurman, 26, argued via text messages with his girlfriend, Jessica Gelderman, 27, just after 2:30 a.m. Monday about the possibility of a zombie apocalypse as depicted on the AMC series, WNBC-TV, New York, reported Wednesday.
"He feels strongly about the possibility that some military mishap could occur. She thinks it's ridiculous," ABC News quoted Cote as saying. "She was not taking him seriously or taking the show as seriously as he does."
Cote said Gelderman became worried about Gurman as the argument became heated and decided to go to his Williston Park home to calm him down,the report said.
Gelderman attempted to talk to Gurman and enter his home, but he shot her in the back with a .22-caliber rifle, police said.
Gurman drove Gelderman to the hospital, where she was treated for a shattered rib, a pierced lung and a pierced diaphragm.
Gurman was charged with attempted murder.