Law & Society

A hacker who once advertised having access to user account information for websites like Facebook (FB.O) and Twitter (TWTR.N) has been linked through a Russian email address to the theft of a record 1.2 billion Internet credentials, the FBI said in court documents.

An investigation into the Nov. 13 attacks in Paris widened on Tuesday when French prosecutors said a man who provided lodging to the suspected ringleader must have known of a militant plot, and Belgium issued a warrant for a new suspect.

The National Football League said on Monday it was investigating why St. Louis Rams quarterback Case Keenum was not tested for a possible concussion despite new rules to show the league is taking concussions more seriously.