(Groton, CT)--A Coventry man who works for General Dynamics is facing charges for allegedly threatening other employees.Police in Groton, Connecticut say Edward Lesniak, while employed at an overseas location, made a credible threat against workers in Groton.Lesniak was arrested on Saturday after coming back to the U.S. at JFK Airport in New York and will be transported to Connecticut once he is extradited, according to police.Multiple firearms were reportedly seized from his Rhode Island home.