Section 407

Any person who, with intent to extort or gain anything from any person, and knowing the contents of the writing, causes any person to receive any writing demanding anything from any person without reasonable or probable cause, and containing threats of any injury or detriment of any kind to be caused to any person, either by the offender or any other person, if the demand is not complied with, is guilty of a felony, and is liable to imprisonment for fourteen years.