U.S. Immigration and Custom Enforcement (ICE), Homeland Security Investigation (HSI), is committed to protecting the public and ensuring that the rights of victims are carefully observed. HSI administers a Victim Notification program which allows eligible victims and witnesses to obtain reliable and timely information regarding a criminal aliens release from custody. However, victims and witnesses are required to register with ICE in order to receive notification of a criminal aliens release.
Victims and witnesses can simply click on the hyperlink to be transferred to a number of valuable victim services programs provided by ICE.
https://www.ice.gov/voice