Samuel sat in Grierson’s office in the stone commandant’s building and signed the arrest warrants. Grierson reached across the desk and took the papers from him. “I know this runs against your every belief,” he said. “I am sorry.” They were to be tried in a Texas court, since homicide was a state and not a federal crime. An engraving of President Grant hung in a dark frame over the fireplace, and an American flag hung limply from its staff.

