A Frederick woman is seeking clemency for her soldier son who has been sentenced to death in connection with the fatal stabbing of a cab driver in West Germany.

Pfc. Todd Andrew Dock, 19, was sentenced last week in a military court martial for the fatal stabbing of Claus Englehardt, 30, last June.

Dock had been serving with the 3rd U.S. Armored Division near Giessen, West Germany.

Dock's mother, Carolyn, said she believes the killing was the result of an alcohol problem. Mrs. Dock said her son's alcohol problems began after the death of his father three years ago.

She said that during court proceedings last week her son testified he "did not remember murdering the taxi driver."

Dock's case is to be reviewed by the Army Court of Military Review. If the sentence is not reduced, his case can be taken to a U.S. Court of Military Appeals and the U.S. Supreme Court.

Mrs. Dock said she is collecting letters of support from across the country to buttress her case.

"Hopefully, we're going to end up with a lot of letters," she said. "If we have enough statements asking for clemency . . . there's a possibility we can have [the sentence] overturned and reduced to life" in prison.