A private citizen is at fault for instigation of a false detention, arrest, or imprisonment if [he] [she]:

1) knowingly supplies false information to a law enforcement officer material to the detention, arrest, or imprisonment occurring;

2) the person was detained, arrested, or imprisoned; and

3) the detention, arrest, or imprisonment was unlawful.

A person is not at fault for false detention, arrest, or imprisonment if [he] [she] merely summoned the police for assistance or to report an offense or provided true information, and leaves the decision to detain, arrest, or imprison to the law enforcement officer’s judgment and discretion.