The Shroud

The Shroud of Turin stolen! The burial cloth of Jesus of Nazareth? Interpol investigator Arturo Benavivo is assigned to the case, but while his investigation is underway, the Shroud is mysteriously returned—mutilated.
Pieces of the cloth have been cut out.
Although he is now officially off the case, burning questions prod Benavivo to continue his search. Who stole the Shroud? Why? Why was it mutilated?
Benavivo’s persistent hunt, in the face of a desperate and cunning foe, nearly costs his life and that of his family. Following a meandering trail of clues, he is led to a remote laboratory in northern Italy. There lie the chilling answers.

From Publishers Weekly, Mystery Notes:
Barry Friedman, a retired orthopedic surgeon, brings his medical expertise to his novel, The Shroud. When some perverse trickster steals the Shroud of Turin and returns it torn and blood-stained, Florentine Interpol detective Arturo Benavivo is soon criss-crossing Europe in an effort to crack the increasingly sanguinary case.