Does intentionally misrepresenting a situation in a 9/11 call constitute a crime?
NRS 207.280 False reporting of crimes unlawful. Every person who deliberately reports to any police officer, sheriff, district attorney, deputy sheriff, deputy district attorney or member of the Department of Public Safety that a felony or misdemeanor has been committed, which causes a law enforcement agency to conduct a criminal or internal investigation, knowing such report to be false, is guilty of a misdemeanor.
I would say, Yes. Would be right up there with called in bomb threats.