DENVER — Jury selection began Monday in the trial of a former Gambian soldier accused of torture in his home country, making him the first noncitizen to stand trial in the United States for allegedly committing torture abroad.

Michael Correa, 45, a former soldier in the Gambia military, is charged with six counts of torture and aiding and abetting torture and one count of conspiracy.

He was once a member of an armed and specialized military unit known as the Junglers, which was part of the…