The “north end” of Boston is generally pretty safe. There is a large contingent of “businessmen” that have families and homes there, as well as interests in the local restaurant business.
Other than a few college age fights taking place, this is not an area that one would have any reservations about walking at night.
If this guy is identified, he’ll be very lucky if the cops get him first. Stories like this are bad for business - “capiche?”