But all participants in a fatal robbery can be guilty of second-degree murder, even if only one inflicted the fatal wound.
Page had been the victim of a fatal robbery at a National Airport parking lot.
In one fatal robbery, Mr. DiMeo's mother, MaryAnn Taylor-Casey, came along to canvass the store and drove the three away from the scene, the police said.
The police also identified Mr. DiMeo as the suspect in another fatal robbery, at J&J Jewels in Glen Head, N.Y., on Dec. 21.
Lamont said he did not get caught for the crimes and was asleep when Shaul carried out his fatal robbery.
(Her phone number was in the pocket of Kathy Boudin, the Weather Underground leader, when Ms. Boudin was arrested in 1981 in a fatal Brink's robbery.)
He played The Buzzard, the criminal who leads Liliom (Charles Farrell) into a fatal robbery, in the film version of Liliom (1930).
Together, authorities say, the couple drove across the country and embarked on a two-month spree of burglaries and fatal robberies.
But a friend, Millie Alcamo, told reporters as she recalled the day of the fatal robbery: "Ray Cannon was sentenced on Dec. 2, 1994, and his sentence was death.
He said the teen-ager's only role model was the uncle who led him and his brother into the fatal robbery.