In the 7th film of the "Crime Doctor" series based on the radio program, Dr. Robert Ordway is summoned to take attend a diabetic, and gives an injection of insulin taken from a bottle in the patient's pocket. The man dies and Ordway discovers that what he thought was insulin was really poison. Oops! Two other people are murdered before Ordway discovers who replaced the insulin with poison and what the motive was
The Shadow
1994
6
Mr. Moto's Last Warning
1939
5
Mysterious Mr. Moto
1938
5
The Mark of the Whistler
1944
5
The Power of the Whistler
1945
5
The Whistler
1944
5
Mysterious Intruder
1946
5
The Secret of the Whistler
1946
5
Mr. Moto Takes a Chance
1938
5
Think Fast, Mr. Moto
1937
5
Thank You, Mr. Moto
1937
6
Mr. Moto's Gamble
1938
6
Mr. Moto Takes a Vacation
1939
6
The Return of Mr. Moto
1965
4
After Midnight with Boston Blackie
1943
5
Boston Blackie's Chinese Venture
1949
5
Confessions of Boston Blackie
1941
6
Dead Man's Eyes
1944
6
Pillow of Death
1945
6
The Frozen Ghost
1945
6