TV poisoning

The Oscar Wolfe case

The Peters mix-up

The Rockwell diamond

The Sam Bellows case

The Wentworth diamonds

The William Blaine vase

The Winthrope jewel robberies

The Worthington ghost

The Worthington pearls

The murdering cuckoo clock

The search for Jim Gary

The skating rink murders

The star of the nile

The stolen car ring

The stolen rare book

The sword swallower

The undersea murder

Three witnesses to will killed

Tom Everett murder with an alibi

Uncle Frank murdered by Joe Parker

Westfield diamonds

Williams missing pearl necklace