Authorities across the United States are warning the public about a surge in online scams involving email extortion and impersonation of law enforcement officials. The Metropolitan Police Department in Washington, D.C., has reported an email scam where victims receive messages claiming their computers have been hacked, with scammers demanding Bitcoin payments to prevent the release of personal information. Similarly, the Douglas County Sheriff's Office in Minden, Nevada, has alerted residents about threatening emails demanding Bitcoin. Another emerging threat, termed 'Digital Arrest,' involves scammers using video calls to impersonate law enforcement officials and accuse victims of serious crimes. These scams are grabbing the attention of would-be victims nationwide due to new and frightening details. Authorities advise the public to avoid interacting with these scammers and to contact the FBI for assistance.