A pretty effective murder mystery... [Benicio Del Toro] has aged very nicely into this sort of role.

Del Toro’s solid screen charisma can’t rescue Reptile, a derivative and lethargic thriller that rarely thrills as it tries and fails to build a case for itself as a meaningful iteration on the detective thrillers that it admires.

The fallout from all this purposeful gloom isn't merely that nothing surprises us; even Del Toro's committed portrayal of a careful man's gathering disillusionment gets jammed up.

...way overwritten in terms of character traits, and underwritten in terms of meaningful procedural changes; it’s the kind of film which requires warnings for the unwary; despite the sheen, it’s a time-waster where the end doesn’t justify the means...