UNITED NATIONS, (AP) – The chief investigator says former Lebanese prime minister Rafik Hariri was assassinated by a criminal network that is linked to some other killings in Lebanon.

Daniel Bellemare said in his first report to the U.N. Security Council on Friday that evidence indicates the so-called “Hariri Network” existed before his assassination on Feb. 14, 2005.

He said the evidence also indicates it conducted surveillance of the former premier, and that at least part of the network continued to operate after he was killed along with 22 others in a bombing in Beirut.

Friday’s report did not name any suspects in Hariri’s assassination.