Australian detectives arrested two men Wednesday over the alleged kidnapping and murder of an elderly grandfather in a suspected case of mistaken identity.Chris Baghsarian, 85, was taken from his home in Sydney's North Ryde suburb on February 13, but police say neither he nor his family had any underworld connections.After a long search, police found Baghsarian's remains Tuesday near a golf club in Sydney's northwestern fringes.Robbery and crime squad detectives arrested a 24-year-old man and a 29-year-old man in two dawn raids Wednesday in the city's northwestern suburbs, police said in a statement.Video released by police showed officers forcing their way into a property to arrest one of two suspects.New South Wales Robbery and Serious Crime Squad Commander Andrew Marks said he expected the men would be "charged in connection with the kidnapping and murder of Mr Baghsarian."Marks -- who has led the police investigation since Bagsarian's disappearance -- described it as a "horrible, horrible matter." "It's…