[6] In 1986, he prosecuted double-murderer Daniel Nick, who killed two neighbors with a shovel and claimed as his defense that he believed the victims were aliens sent to spy on him.
[11] On April 18, 2002, Nissman was formally appointed by President George W. Bush as the 19th U.S. Attorney for the District of the Virgin Islands.
government for fraudulently circumventing the competitive process and awarding a $3.6 million contract for major sewer repairs on St. Croix to a local company with no experience.
[13] After his retirement, the U.S. Attorney's Office Building on St. Croix was named the David Marshall Nissman Justice Center.
In January 2024, Washington, D.C.-based Community Redevelopment Inc. issued a press release announcing that Nissman had joined its board of directors.