Jonathan Matos, 26, of Mattapan, was arrested this afternoon, shortly after a Suffolk County grand jury indicted him for the Jan. 7, 2013 shooting death of Jonathan Reyes, 18, on W. 2 Street, the Suffolk County District Attorney's office and Boston Police report.

The grand jury charged Matos with first-degree murder, unlawful possession of a firearm and unlawful possession of a large-capacity feeding device, authorities say, adding Matos fired repeated rounds at Reyes.

Innocent, etc.