"What criminal act?"
I went queasy. I had come all this way on the strength of a backward glance. Suddenly it didn't seem such an ironclad guarantee of innocence. "What killing?"
"Mamo Wolde is suspected of being involved in killing one person while he served as a Dergue Revolutionary Guard."
"Revolutionary Guard? How could he have been a Dergue Revolutionary Guard? He was in Haile Selassie's Imperial Guard."
"The Imperial Guard was disbanded by the Dergue," said Abraham. "The Revolutionary Guard was then organized in 1975 along Communist lines to incite the public to 'defend' the revolution against its enemies. Mamo could have joined."
I grabbed at a straw. "What do you mean, 'could have'?" I said. "Did he or didn't he?"
"I don't know," said Abraham. "I'm basically a spokesman."
"Who accused Mamo of this crime?"
"The victim's family. Of the possibility of his collaboration with others."