Dragnet (1954)

Saturday, April 9: A known bookie named Miller Starkie has been "cut in half" by a sawed-off, double-barrel shotgun. Working out of Intelligence Division, Sgt. Joe Friday and Off.

Frank Smith piece together what little evidence they have, interview acquaintances, intimidate witnesses, interrogate suspects to the point of harassment, utilize a Minifon and a wiretap, and testify before the Grand Jury in a tireless effort to catch and convict Starkie's killers.