A lip reader "overhears" a murder plot.
A missing wife is wanted by the mob.
An injured client disappears.
Mannix enters a race in which a driver is killed.
A dead ex-con has Mannix's name on him.
Part of a manuscript gone missing holds the answer to a homicide.
A doctor's son is kidnapped to force a failed surgery.
A missing wife, reported dead, is a difficult quarry.
Mannix finds new evidence in the case of an embezzler he sent up the river.
A young heir wakes up bloodied and minus a grlfriend.
On a helicopter trip, Mannix thinks he sees a murder being committed.
Mannix is called to testify against an ex-con he sent up, but his time suspects a frame.
An old pal asks Mannix for help; when he arrives at the man's rural town, there's murder afoot.
A model's suicide proves doubtful.
A political campaign and the death of a small-time crook.
A attempt on his life forces Mannix into a complex search.
An old foe's girlfriend dies suspiciously.
Peggy's boyfriend goes on the lam.
A court-martialed soldier has plans for revenge.
Scotland Yard is after millions from a robbery, and they're not the only ones.
A missing contractor leads to mixed motives and a doubtful case.
Peggy's boyfriend is suspected in a drug case.
A newspaper publisher's daughter is implicated in the death of a mobster.
A boarding school marked for demolition sets off a mystery involving a corpse and a quarter-million.
Mannix cooperates in a police investigation.