Houdini was very close to his mother and when she died, he was devastated. One reason he wanted to expose this kind of deception was because he wanted to prevent people from taking advantage of grieving relatives. Another reason was because there was big money involved in this kind of deception. In one case, Houdini said that $500,000 "changed hands upon the recognition of the fingerprints of a man who had died two years before." Because Houdini challenged these kinds of deceptions and proved that they were unreliable, he suggested that people should not believe everything they see.
Why did Houdini think it was important to expose fraud?

A) He thought it was funny.
B) He did not want people to be taken advantage of in a time of grief.
C) He thought that people were too gullible and could not figure it out for themselves.
D) He wanted to see the people who were committing the fraud were