Authorities began investigating Edward Laning Gordon July 11 after several incidents allegedly involving death threats. Mr. Gordon allegedly showed up at a dental office in Roswell, N.M., requesting treatment without an appointment and then became aggressive with staff. Mr. Gordon left the office after being scheduled for an Aug. 2 appointment.
Mr. Gordon later called the dental office and threatened to kill the staff during his Aug. 2 appointment.
Police were also made aware of other threats allegedly made by Mr. Gordon, including threats to burn down an apartment building and kill a police officer.
Mr. Gordon was charged with malicious threat to injure by fire and explosives. He is scheduled for arraignment April 22 in federal court.