Despite our reservations, #Cybersleuths: The Idaho Murders is still a good review of this grisly case, and we think that the filmmakers will eventually get their message across about the good and bad aspects of online speculation about cases like these.

Critiquing with one hand and promoting with the other, it winds up caught in a tangle that it’s not deft enough to escape.

Paul Kwiatkowski, former Moscow police chief, takes an amused but dismissive view of the entire exercise, which seems the wise route to follow.