Nearly $15 billion was reported in losses in the most expensive health care fraud in United States history, Federal Bureau of Investigation Deputy Director Dan Bongino said Monday.

The operation led to criminal charges against 324 defendants and the seizure of more than $245 million in cash, luxury cars and other assets.

U.S. officials say hundreds of medical professionals will face federal charges for alleged roles in various healthcare schemes that resulted in financial losses to the tune of billions.

The FBI asks that anyone who believes they are a target of the scam to report the matter to the FBI’s Internet Crime Complaint Center. When filing the report, you’ll be asked to provide as much information as possible about the individual or company’s name, phone number, mailing or physical address, and email address.

The Federal Bureau of Investigation said it has observed an online group possibly targeting airlines. The FBI announced Friday that it has observed a cybercriminal group called Scattered Spider expanding its target reach to include the airline industry.

A cybercriminal group known for extorting people and companies across the world is now targeting the airline industry. The FBI has issued a warning about Scattered Spider, a hacking group that has recently expanded its operations to include major US airlines and their vendors.