Another just finished, as opposed to reading now, this is the third Kimmo Joentaa novel from Jan Costin Wagner.
From the Blurb:
Every year since the tragic death of his wife, Detective Kimmo Joentaa has prepared for the isolation of Christmas with a glass of milk and a bottle of vodka to arm himself against the harsh Finnish winter. However, this year events take an unexpected turn when a young woman turns up on his doorstep.
Every year since the tragic death of his wife Detective Kimmo Joentaa has prepared for the isolation of Christmas with a glass of milk and a bottle of vodka to arm him against the harsh Finnish winter. However, this year events take an unexpected turn when a young prostitute turns up on his doorstep.
Not long afterwards one of Kimmo's colleagues, a forensic pathologist, is found murdered and Finland's most famous talk-show host is brutally attacked. When it becomes clear that the pathologist had recently been a guest on the star's show, Kimmo is called upon to use all his powers of intuition and instinct to solve the case. Meanwhile the killer is lying in wait, ready to strike again...