Murder Inquiry.

Murder Inquiry is a crime fiction, whose plot is about Edwin Wolfgang, a rich New York based banker, who gives out loans for which he accepts artworks as collateral, but kills his customers before they are able to pay back the loan. And a FBI agent attached to the New York field office, who's charged with the task of bringing Mr Wolfgang to book. The story is set in three cities, in three different continents, and is full of twists and turns from the killing of Wolfgang's last two victims, up to his eventual arrest.