D.C. homicide detectives have charged a 22-year-old man with homicide in the early-morning shooting death yesterday of Capitol Cab driver Milton Davis.

Peter Bliss, who police say gave them no address and no occupation when he was charged, also suffered a gunshot wound in the incident that occured at 3:15 a.m. in the first block of Brandywine Street in far Southwest. He will be arraigned this morning in Superior Court.

Cab driver Davis, 45, of 3320 16th St. NW., was found slumped in the back seat of his cab by an off-duty police officer who lives in the block of Brandywine Street where the shooting occurred. Davis suffered at least one gunshot ound to the head, police said.

Bliss was found siting in the front seat of the cab with a gunshot wound in the leg.

Investigators say the off-duty police officer also saw a man wearing cut-off pants and a white, short-sleeved shirt running from the cab. The officer pursued the man for several blocks before losing sight of him.

Davis was pronounced dead on arrival of D.C. General Hospital. Bliss was treated at D.C. General and was transferred to the D.C. Jail.

The man observed fleeing the scene still is being sought, police said.

Police said no gun or other weapon was found in the cab, or in the area where the shooting occurred.

Davis' shooting is the second murder of a cab driver this year in the city. The first was the slaying April 17 of driver Timothy R. Young an independent hacker found shot in the head and chest on a sidewalk near his parked cab in far Southeast.

Last September, a series of assaults on cab drivers - one of them fatal - resulted in a stepped-up security campaign by D.C. police and city officials. Police at that time began "tagging along" with some cabs and "spot checking" others, especially in the Southeast and Northeast sections of the city, where most of these earlier attacks had occurred.