Boston police charge two teenagers in Dorchester shooting that killed 16-year-old

The mother and aunt of Jaivon Blake, a slain Dorchester teen, spoke to reporters after the arraignment of two teens charged with murdering him. By Maria Cramer/Globe Staff, Nov. 3, 2011.

Two teenagers are facing murder charges in the fatal Sept. 25 shooting in Dorchester of Jaivon Blake, 16, and the non-fatal shooting of a 14-year-old boy.

Nyasani Watt, 17, and Sheldon Mattis, 18, of Boston, shot the two victims in what appeared to be a gang feud, thinking the younger boy was a rival, Suffolk County prosecutor Mark Hallal said today as the two defendants were arraigned in Dorchester Municipal Court.


The hearing was tense, with family of the victims on one side, the defendants on the other.

After the hearing, Detective Sergeant Joseph MacDonald emphasized that the two victims were not in a gang.

“We don’t believe they were involved,’’ MacDonald said, referring to gangs. “They appear to be very good kids, with, I don’t think, any serious involvement with police.’’

MacDonald said witness cooperation helped detectives find the suspects.

According to police spokeswoman Elaine Driscoll, police had positioned themselves outside Watt’s Dorchester home this morning while they waited for a warrant that would allow them to search inside.

However, Driscoll said, before the warrant arrived, Watts showed up at his home. When police arrested him on murder charges, they made a surprising discovery — Watt was allegedly carrying a fully loaded firearm on him. It was not immediately known how Watt had obtained the weapon.

The shootings prompted Boston police to step up patrols in the Geneva Avenue-Bowdoin Street corridor.

Not guilty pleas were entered on behalf of Watt and Mattis, who were ordered held without bail. Lawyers and relatives of the suspects declined to comment as they left the courthouse.

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