Leif G.W. Persson este cel mai cunoscut criminalist scandinav si un profiler renumit. Din 1991, este profesor la Academia suedeza de Politie si, ca expert criminalist, analizeaza cazuri complicate in emisiuni TV si in presa. Este autorul a zece romane politiste, trei dintre ele avandu l drept protagonist pe excentricul inspector de politie Evert Bäckström.
A primit nenumarate distinctii literare, printre care The Piraten Award, The Glass Key for Best Scandinavian Crime Novel, The Swedish Academy of Crime Writers' Award (de trei ori), The Finnish Whodunnit Society's Annual Award for Excellence in Foreign Crime Writing, The Petrona Award for Best Scandinavian Crime Novel si The Danish Academy of Crime Writers' Palle Rosenkrantz Prize.
