DA: As man lay on Old Colony Avenue, shot, his GPS-wearing killer pumped several more bullets into him

Two men were ordered held without bail today on charges they murdered Maurice Scott, 38, on Old Colony Avenue in South Boston Saturday night. A third man, allegedly a passenger in their getwaway car, was charged with possession of crack with intent to distribute.

According to Assistant Suffolk County District Attorney Mark Hallal, Boston and State Police found Scott laying on the ground around 8:30 p.m. next to his girlfriend's Mercedes-Benz outside 425 Old Colony Ave. A witness said he spotted Scott already on the ground when "a very large man" with "very large thighs" shot him several more times as he lay there, then hopped into the front passenger seat of a car that made a U-turn on Old Colony and sped towards Dorchester, Hallal said. Police recovered nine spent .40-cal. shell casings, Hallal said.

Scott was rushed to Boston Medical Center, where he died a short time later, Hallal said at their arraignment today in South Boston Municipal Court.

As police investigated the murder scene, officers over in Dorchester responded to a report of a car and occupants doing something odd on Elm Street: A car roared down the short street and pulled up in front of a vacant lot there. And then the lights went off and then the three people inside seemed to be changing their clothes, Hallal continued. One of the men then got out and, as he did, appeared to pull his shirt down, as if he had just put it on, the witness told police.

Police quickly surrounded the car, ordered the men out, Hallal said. The Old Colony Avenue witness was taken to the scene and while he told police he could not recognized faces, he recognized the front-seat passenger, later identified as Dewayne Diggs, 24, of Randolph by his large build. On Elm Street, he was wearing a gray hoodie, but police found a dark hoodie in the car - which the witness said he'd been wearing during the shooting, Hallal said.

The prosecutor added that officers found the apparent murder weapon in the vacant lot. A thermal imager showed it had been held recently, later testing showed the casings found on Old Colony matched it, he said. He added it had a capacity of 11 bullets - and that it only had 2 bullets in it.

Hallal said Diggs and Dondre Snow, 22, of Dorchester, who allegedly drove the car, both had GPS monitors on - they were both out on various charges in other courts - and that data from the trackers put them on Old Colony during the shooting and Elm Street during their search.

Daquan Peters, 20, of Roxbury, had his bail set at $100,000 on a charge of possession of crack with intent to distribute.

Hallal did not provide a possible motive for the killing.

The three stood behind a door rather than standing in the courtroom prisoners' dock. They took turns peering into the courtroom, though; at one point one of them attempted to mouth something to somebody sitting in the courtroom.

Innocent, etc.