The Untitled Robbery- Arthur Nolan

A woman named, Lana, being the daughter of the mayor of a small town named Kansas describes how the atmosphere of her house was changing. She asks Arthur to come over to her house and to inspect what was happening. Arthur later finds that the most recent doctor doing her father's treatment was stealing important papers and wealth. Arthur manages to catch the thief. Later it is found that the thief is Lana's old friend and that he had already killed Lana's father.