A “vicious sweepstakes scam” that asks victims to wire money to a foreign country is using the real address of a D.C. government agency to legitimize its crime, District officials warned.

Telemarketers and con artists apparently are dialing potential victims across the country claiming to represent a “national consumer protection agency” or the “Office of Consumer Affairs at 941 North Capitol St. in Washington, D.C.,” according to the D.C. Department of Consumer and Regulatory Affairs.