WASHINGTON (AP) — The U.S. Marshals Service says it’s cracking down on some of the most dangerous sex offenders in the nation’s capital.

Deputy U.S. Marshal David Neumann, a spokesman for the U.S. Marshals for D.C. Superior Court, says the agency is targeting the five most wanted sex offenders who have failed to register with authorities.

It’s part of Project Sentinel/Operation Guardian that’s under way throughout the country, with each Marshal’s district searching for the worst convicted, noncompliant sex offenders.

Neumann says there are about 750,000 convicted sex offenders in the United States, but about 125,000 have not registered. He says it’s important to catch them to put victims at ease and protect families.

Those who are caught face more prosecution because of their failure to register.

For more information: www.usmarshals.gov/district/dc-sc/