5 face charges in Red Line train beating; three had been in serious trouble with the law before

Five people are facing charges that they beat a 40-year-old man and five teenagers on an MBTA train earlier this month in South Boston, according to a statement from the Suffolk County district attorney’s office.

Two of the alleged attackers in the March 9 incident on the Red Line train at Broadway Station were on probation for earlier serious offenses, prosecutors said in a statement. A third defendant was facing charges involving a stabbing in Norfolk County.

Kevin McCarthy, 21, of South Boston was charged with aggravated assault and battery and assault with a dangerous weapon. Patrick J. Joyce, 24, of Dorchester was charged with three counts of assault and battery with a dangerous weapon.

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McCarthy had previously been convicted of participating in an unprovoked beating of three men in South Boston in May 2011. Joyce was on probation for motor vehicle homicide in Norfolk County.

Michael Capuzzo, 20, of South Boston, who is facing an assault and battery charge in the train attack, was already facing charges that he stabbed someone in the neck, prosecutors said.

Two other suspects, Michael Davis, 36, of Quincy and Kristine Mullen, 20, of South Boston, were charged with assault and battery with a dangerous weapon.

The dangerous weapons in all of the charges were their shod feet, which they used to kick the victims, according to district attorney’s spokeswoman Renee Nadeau Algarin.

McCarthy and Joyce were released on $500 and $400 bail, respectively, and Davis and Mullen were released on personal recognizance, after their arraignments Monday in South Boston District Court. The suspects were ordered not to contact the victims or witnesses and to stay away from all MBTA property, the statement said.

Capuzzo is to be arraigned Friday in South Boston District Court, prosecutors said.

Transit Police responded to the attack at the MBTA Broadway Station at about 9 p.m. on March 9.

The attack occurred after the 40-year-old man got involved in an argument with the alleged attackers, and the teenagers intervened to defend him, according to MBTA Transit Police Superintendent-in-Chief Joseph O’Connor.

Video taken by a passenger showed the male victim being shoved against the train doors and then thrown to the floor. The attackers are seen repeatedly kicking and punching him before walking away from the scene, leaving another passenger to pull him into a sitting position.

The male victim was transported to Tufts Medical Center with serious injuries. The five Rhode Island teenagers, whose ages ranged from 14 to 18, were treated at the scene by Boston Emergency Medical Services and did not require hospitalization, the statement said.

Transit Police sought the public’s help in identifying the attackers, and released the video taken by the passenger and images from the station’s surveillance footage, along with the suspects’ physical descriptions, several days after the attack.