1. sleuth - Noun
2. sleuth - Verb
The track of man or beast as followed by the scent.
Source: Webster's dictionaryNo one is so modest as not to believe himself a competent amateur sleuth. Isaac Asimov
As a sleuth you are poor. You couldn't detect a bass-drum in a telephone-booth. P. G. Wodehouse
In a mystery, the sleuth must be believably involved and emotionally invested in solving the crime. Diane Mott Davidson
The Big Sleep' is an unsentimental, surrealist excitement in which most of the men in Hollywood's underworld are murdered and most of the women go for an honest but not unwilling private sleuth (Humphrey Bogart). Manny Farber
As Hashmi’s two-timing husband acts all hurt and innocent, the cops, led by a bearded middle-aged sleuth (Kapoor), swing into action: was the body stolen? Source: Internet
But Biden is always cast as a bumbling sleuth who repeatedly needs rescuing by super cool Obama, whose code name is ‘Renegade.' Source: Internet