James Louis Holland, already on death row in Utah for the murder of a man who picked him up hitchhiking, will be sentenced April 10 in an Idaho slaying, officials said Tuesday.

Holland pleaded guilty Sept. 27, 1988, to first-degree murder in the July 4, 1987 slaying of Army National Guardsman Karl Behm, who was shot twice and dumped at an I-84 rest stop about 10 miles north of the Idaho-Utah state line.Under terms of a plea-bargain agreement, prosecutors agreed not to ask for the death penalty in exchange for the guilty plea.

Holland pleaded guilty Aug. 31, 1987, to capital murder charges in the July 5, 1986, shooting death of labor contractor Samuel Frank Patt, 70, of Winter Haven, Fla., who was killed near Echo Junction, Utah. Holland was sentenced to die by lethal injection in the Patt killing. His death sentence is on automatic appeal to the Utah Supreme Court.