The Lykkefanten vanished after that. Some say he died in a fishing accident off Murmansk. Others say he lives in a dacha near Vladivostok, waiting for the right buyer to call again.
The Danish police didn’t know his real name. They just knew that in ‘97, three men were found dead in Nyhavn — throats slit, and beside each body, a small ivory elephant. lykkefanten 1997 ok ru
It sounds like you’re asking for a story that connects (a Danish crime novel by Kurt Aust , published in 2005 — though the title is known) and the year 1997 with the abbreviation OK (perhaps OK as in Oklahoma , okay , or Russian “OK” as in Oblast Kirov or ОК ?) and RU (Russia). The Lykkefanten vanished after that