‘The Whisper Man’ Review: Diverting Netflix Serial Killer Chiller Doesn’t Demand Much of Robert De Niro

“The Whisper Man” is the first — and surely not the last — film to be adapted from the airport oeuvre of British crime novelist Steve Mosby, who since 2019 has written four books (including the source text here) under the pseudonym Alex North. If he didn’t choose that nom de plume to evoke…