A lot of people have become accustomed to filling out forms when suing someone. Unfortunately, this does not work in all cases. I do not know if there is a form of Complaint which you can use for suing your mother in law for slander, and defamation of character because specific facts must be alleged and which are unique to each individual case.
I would like you first to read through what I have provided below because I try to explain in a nutshell what a defamation lawsuit covers, and what the Plaintiff (You) must allege and prove. While you are doing that, let me see what legal resources are available in Colorado for free:
You can sue this individual for slander, libel, and defamation of character.
Slander is false spoken statements, while libel is false written statements. In order to recover damages in any lawsuit for slander, libel, and defamation of character, you as the Plaintiff must prove all four (4) elements.
1. First, the Plaintiff must prove that the defendant made a false and
defamatory statement concerning the plaintiff.
2. Second, the Plaintiff must prove that the defendant made an unprivileged publication (Means Communication) to a third party.
3. Third, the Plaintiff must prove that the publisher acted at least negligently in
publishing the communication.
4. Finally, the Plaintiff must prove special damages. Damages are typically to the
reputation of the plaintiff,
By "publication" is meant that the false statement(s) are conveyed to a third party.
Examples of slanderous, libelous, and defamatory statements:
A communication that imputes a serious crime involving moral turpitude or a
A communication that exposes a plaintiff to hatred
A communication that reflects negatively on the plaintiff's character,
morality, or integrity
A communication that impairs the plaintiff's financial well-being
A communication that suggests that the plaintiff suffers from a physical or
mental defect that would cause others to refrain from associating with the