Local and federal authorities are investigating Twitter threats made against Leddy, according to Newsday.

Local and federal authorities are investigating Twitter threats made against Leddy, according to Newsday.

Analysis:

The Twitter account has now been suspended but apparently Leddy's Minnesota driver's license and one of his credit cards were posted along with threats of violence. Leddy, who returned to the Islanders' lineup on March 21 after missing four games due to an upper-body injury, has recorded 10 goals and 29 points in 70 games in his first season with the team.