Massachusetts

Police search for motive in Massachusetts stabbing rampage

  • Taunton, Mass., Mayor Thomas Hoye, Jr., right, speaks about Tuesday's stabbings at a Taunton home and shopping mall, Wednesday, May 11, 2016, in Fall River, Mass. Behind him are Taunton Police Chief Edward Walsh, left, and Bristol County District Attorney Thomas Quinn III. Arthur DaRosa, described by his family as mentally disturbed, went on a stabbing rampage hours after leaving a hospital. He killed two people and assaulted and stabbed others before being fatally shot by an off-duty sheriff's deputy at the Silver City Galleria mall. (Jack Foley/The Herald News of Fall River via AP) MANDATORY CREDIT

    Taunton, Mass., Mayor Thomas Hoye, Jr., right, speaks about Tuesday's stabbings at a Taunton home and shopping mall, Wednesday, May 11, 2016, in Fall River, Mass. Behind him are Taunton Police Chief Edward Walsh, left, and Bristol County District Attorney Thomas Quinn III. Arthur DaRosa, described by his family as mentally disturbed, went on a stabbing rampage hours after leaving a hospital. He killed two people and assaulted and stabbed others before being fatally shot by an off-duty sheriff's deputy at the Silver City Galleria mall. (Jack Foley/The Herald News of Fall River via AP) MANDATORY CREDIT  (The Associated Press)

  • Taunton, Mass., Mayor Thomas Hoye, Jr., right, speaks about Tuesday's stabbings at a Taunton home and shopping mall, Wednesday, May 11, 2016, in Fall River, Mass. Behind him are Taunton Police Chief Edward Walsh, left, and Bristol County District Attorney Thomas Quinn III. Arthur DaRosa, described by his family as mentally disturbed, went on a stabbing rampage hours after leaving a hospital. He killed two people and assaulted and stabbed others before being fatally shot by an off-duty sheriff's deputy at the Silver City Galleria mall. (Jack Foley/The Herald News of Fall River via AP) MANDATORY CREDIT

    Taunton, Mass., Mayor Thomas Hoye, Jr., right, speaks about Tuesday's stabbings at a Taunton home and shopping mall, Wednesday, May 11, 2016, in Fall River, Mass. Behind him are Taunton Police Chief Edward Walsh, left, and Bristol County District Attorney Thomas Quinn III. Arthur DaRosa, described by his family as mentally disturbed, went on a stabbing rampage hours after leaving a hospital. He killed two people and assaulted and stabbed others before being fatally shot by an off-duty sheriff's deputy at the Silver City Galleria mall. (Jack Foley/The Herald News of Fall River via AP) MANDATORY CREDIT  (The Associated Press)

  • The suspect in attacks at Silver City Galleria mall is transported on a gurney into an ambulance by medical personnel in Taunton, Mass., Tuesday, May 10, 2016. Multiple people have been stabbed in separate deadly attacks at the mall and a home in Massachusetts. Authorities say an off-duty law enforcement officer shot and killed the suspect. (Charles Winokoor/The Daily Gazette via AP) MANDATORY CREDIT

    The suspect in attacks at Silver City Galleria mall is transported on a gurney into an ambulance by medical personnel in Taunton, Mass., Tuesday, May 10, 2016. Multiple people have been stabbed in separate deadly attacks at the mall and a home in Massachusetts. Authorities say an off-duty law enforcement officer shot and killed the suspect. (Charles Winokoor/The Daily Gazette via AP) MANDATORY CREDIT  (The Associated Press)

Authorities are trying to determine why a man went on a stabbing rampage in Massachusetts, killing two people and assaulting and stabbing more in a house and a shopping mall before being shot dead.

The suspect in Tuesday's attacks has been identified as 28-year-old Arthur DaRosa.

Authorities say it all began when DaRosa crashed a car outside of a house in the city. They say he walked inside the home and stabbed two women, including an 80-year-old who later died.

Authorities say DaRosa then drove to the Silver City Galleria mall, where he crashed into the front of Macy's department store. They say he assaulted multiple people inside the store before running to Bertucci's restaurant and stabbing two more people, including a 56-year-old man who died at a hospital.

An off-duty sheriff's deputy then fatally shot DaRosa.